Add Bluetooth support for Asus UM5606 series #10
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Add compatibility Bluetooth device MT7925 for Asus UM5606 with ID 13d3:3608. Tester in Asus Zenbook S 16 UM5606XA
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Please show device info in commit msg, by 'cat /sys/kernel/debug/usb/devices' |
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This is: T: Bus=03 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480 MxCh= 0
D: Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1
P: Vendor=13d3 ProdID=3608 Rev= 1.00
S: Manufacturer=MediaTek Inc.
S: Product=Wireless_Device
S: SerialNumber=000000000
C:* #Ifs= 3 Cfg#= 1 Atr=e0 MxPwr=100mA
A: FirstIf#= 0 IfCount= 3 Cls=e0(wlcon) Sub=01 Prot=01
I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=125us
E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms
E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms
I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms
I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms
I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms
I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms
I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms
I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms
I: If#= 1 Alt= 6 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb
E: Ad=83(I) Atr=01(Isoc) MxPS= 63 Ivl=1ms
E: Ad=03(O) Atr=01(Isoc) MxPS= 63 Ivl=1ms
I:* If#= 2 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none)
E: Ad=8a(I) Atr=03(Int.) MxPS= 64 Ivl=125us
E: Ad=0a(O) Atr=03(Int.) MxPS= 64 Ivl=125us
I: If#= 2 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none)
E: Ad=8a(I) Atr=03(Int.) MxPS= 512 Ivl=125us
E: Ad=0a(O) Atr=03(Int.) MxPS= 512 Ivl=125us |
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suse-kernel
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Sep 20, 2024
A sysfs reader can race with a device reset or removal, attempting to
read device state when the device is not actually present. eg:
[exception RIP: qed_get_current_link+17]
#8 [ffffb9e4f2907c48] qede_get_link_ksettings at ffffffffc07a994a [qede]
#9 [ffffb9e4f2907cd8] __rh_call_get_link_ksettings at ffffffff992b01a3
#10 [ffffb9e4f2907d38] __ethtool_get_link_ksettings at ffffffff992b04e4
#11 [ffffb9e4f2907d90] duplex_show at ffffffff99260300
#12 [ffffb9e4f2907e38] dev_attr_show at ffffffff9905a01c
#13 [ffffb9e4f2907e50] sysfs_kf_seq_show at ffffffff98e0145b
#14 [ffffb9e4f2907e68] seq_read at ffffffff98d902e3
#15 [ffffb9e4f2907ec8] vfs_read at ffffffff98d657d1
#16 [ffffb9e4f2907f00] ksys_read at ffffffff98d65c3f
#17 [ffffb9e4f2907f38] do_syscall_64 at ffffffff98a052fb
crash> struct net_device.state ffff9a9d21336000
state = 5,
state 5 is __LINK_STATE_START (0b1) and __LINK_STATE_NOCARRIER (0b100).
The device is not present, note lack of __LINK_STATE_PRESENT (0b10).
This is the same sort of panic as observed in commit 4224cfd
("net-sysfs: add check for netdevice being present to speed_show").
There are many other callers of __ethtool_get_link_ksettings() which
don't have a device presence check.
Move this check into ethtool to protect all callers.
Fixes: d519e17 ("net: export device speed and duplex via sysfs")
Fixes: 4224cfd ("net-sysfs: add check for netdevice being present to speed_show")
Signed-off-by: Jamie Bainbridge <[email protected]>
Link: https://patch.msgid.link/8bae218864beaa44ed01628140475b9bf641c5b0.1724393671.git.jamie.bainbridge@gmail.com
Signed-off-by: Jakub Kicinski <[email protected]>
intel-lab-lkp
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Sep 23, 2024
Add compatibility Bluetooth device MT7925 for Asus UM5606 with ID 13d3:3608. The device info from /sys/kernel/debug/usb/devices as below. T: Bus=03 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480 MxCh= 0 D: Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=13d3 ProdID=3608 Rev= 1.00 S: Manufacturer=MediaTek Inc. S: Product=Wireless_Device S: SerialNumber=000000000 C:* #Ifs= 3 Cfg#= 1 Atr=e0 MxPwr=100mA A: FirstIf#= 0 IfCount= 3 Cls=e0(wlcon) Sub=01 Prot=01 I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=125us E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms I: If#= 1 Alt= 6 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 63 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 63 Ivl=1ms I:* If#= 2 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none) E: Ad=8a(I) Atr=03(Int.) MxPS= 64 Ivl=125us E: Ad=0a(O) Atr=03(Int.) MxPS= 64 Ivl=125us I: If#= 2 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none) E: Ad=8a(I) Atr=03(Int.) MxPS= 512 Ivl=125us E: Ad=0a(O) Atr=03(Int.) MxPS= 512 Ivl=125us Tested in Asus Zenbook S 16 UM5606XA Co-developed-by: Félix Jara <[email protected]> Signed-off-by: Félix Jara <[email protected]> Tested-by: Félix Jara <[email protected]> Link: openSUSE/kernel#10 Signed-off-by: WangYuli <[email protected]>
intel-lab-lkp
pushed a commit
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that referenced
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Sep 29, 2024
Add compatibility Bluetooth device MT7925 for Asus UM5606 with ID 13d3:3608. The device info from /sys/kernel/debug/usb/devices as below. T: Bus=03 Lev=01 Prnt=01 Port=00 Cnt=01 Dev#= 2 Spd=480 MxCh= 0 D: Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=13d3 ProdID=3608 Rev= 1.00 S: Manufacturer=MediaTek Inc. S: Product=Wireless_Device S: SerialNumber=000000000 C:* #Ifs= 3 Cfg#= 1 Atr=e0 MxPwr=100mA A: FirstIf#= 0 IfCount= 3 Cls=e0(wlcon) Sub=01 Prot=01 I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=125us E: Ad=82(I) Atr=02(Bulk) MxPS= 512 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 512 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms I: If#= 1 Alt= 6 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb E: Ad=83(I) Atr=01(Isoc) MxPS= 63 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 63 Ivl=1ms I:* If#= 2 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none) E: Ad=8a(I) Atr=03(Int.) MxPS= 64 Ivl=125us E: Ad=0a(O) Atr=03(Int.) MxPS= 64 Ivl=125us I: If#= 2 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none) E: Ad=8a(I) Atr=03(Int.) MxPS= 512 Ivl=125us E: Ad=0a(O) Atr=03(Int.) MxPS= 512 Ivl=125us Tested in Asus Zenbook S 16 UM5606XA Co-developed-by: Félix Jara <[email protected]> Signed-off-by: Félix Jara <[email protected]> Tested-by: Félix Jara <[email protected]> Link: openSUSE/kernel#10 Signed-off-by: WangYuli <[email protected]>
suse-kernel
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Oct 7, 2024
Attaching SST PCI device to VM causes "BUG: KASAN: slab-out-of-bounds". kasan report: [ 19.411889] ================================================================== [ 19.413702] BUG: KASAN: slab-out-of-bounds in _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.415634] Read of size 8 at addr ffff888829e65200 by task cpuhp/16/113 [ 19.417368] [ 19.418627] CPU: 16 PID: 113 Comm: cpuhp/16 Tainted: G E 6.9.0 #10 [ 19.420435] Hardware name: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.20192059.B64.2207280713 07/28/2022 [ 19.422687] Call Trace: [ 19.424091] <TASK> [ 19.425448] dump_stack_lvl+0x5d/0x80 [ 19.426963] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.428694] print_report+0x19d/0x52e [ 19.430206] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 19.431837] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.433539] kasan_report+0xf0/0x170 [ 19.435019] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.436709] _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.438379] ? __pfx_sched_clock_cpu+0x10/0x10 [ 19.439910] isst_if_cpu_online+0x406/0x58f [isst_if_common] [ 19.441573] ? __pfx_isst_if_cpu_online+0x10/0x10 [isst_if_common] [ 19.443263] ? ttwu_queue_wakelist+0x2c1/0x360 [ 19.444797] cpuhp_invoke_callback+0x221/0xec0 [ 19.446337] cpuhp_thread_fun+0x21b/0x610 [ 19.447814] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 19.449354] smpboot_thread_fn+0x2e7/0x6e0 [ 19.450859] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 19.452405] kthread+0x29c/0x350 [ 19.453817] ? __pfx_kthread+0x10/0x10 [ 19.455253] ret_from_fork+0x31/0x70 [ 19.456685] ? __pfx_kthread+0x10/0x10 [ 19.458114] ret_from_fork_asm+0x1a/0x30 [ 19.459573] </TASK> [ 19.460853] [ 19.462055] Allocated by task 1198: [ 19.463410] kasan_save_stack+0x30/0x50 [ 19.464788] kasan_save_track+0x14/0x30 [ 19.466139] __kasan_kmalloc+0xaa/0xb0 [ 19.467465] __kmalloc+0x1cd/0x470 [ 19.468748] isst_if_cdev_register+0x1da/0x350 [isst_if_common] [ 19.470233] isst_if_mbox_init+0x108/0xff0 [isst_if_mbox_msr] [ 19.471670] do_one_initcall+0xa4/0x380 [ 19.472903] do_init_module+0x238/0x760 [ 19.474105] load_module+0x5239/0x6f00 [ 19.475285] init_module_from_file+0xd1/0x130 [ 19.476506] idempotent_init_module+0x23b/0x650 [ 19.477725] __x64_sys_finit_module+0xbe/0x130 [ 19.476506] idempotent_init_module+0x23b/0x650 [ 19.477725] __x64_sys_finit_module+0xbe/0x130 [ 19.478920] do_syscall_64+0x82/0x160 [ 19.480036] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 19.481292] [ 19.482205] The buggy address belongs to the object at ffff888829e65000 which belongs to the cache kmalloc-512 of size 512 [ 19.484818] The buggy address is located 0 bytes to the right of allocated 512-byte region [ffff888829e65000, ffff888829e65200) [ 19.487447] [ 19.488328] The buggy address belongs to the physical page: [ 19.489569] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888829e60c00 pfn:0x829e60 [ 19.491140] head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.492466] anon flags: 0x57ffffc0000840(slab|head|node=1|zone=2|lastcpupid=0x1fffff) [ 19.493914] page_type: 0xffffffff() [ 19.494988] raw: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001 [ 19.496451] raw: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000 [ 19.497906] head: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001 [ 19.499379] head: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000 [ 19.500844] head: 0057ffffc0000003 ffffea0020a79801 ffffea0020a79848 00000000ffffffff [ 19.502316] head: 0000000800000000 0000000000000000 00000000ffffffff 0000000000000000 [ 19.503784] page dumped because: kasan: bad access detected [ 19.505058] [ 19.505970] Memory state around the buggy address: [ 19.507172] ffff888829e65100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.508599] ffff888829e65180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.510013] >ffff888829e65200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.510014] ^ [ 19.510016] ffff888829e65280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.510018] ffff888829e65300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.515367] ================================================================== The reason for this error is physical_package_ids assigned by VMware VMM are not continuous and have gaps. This will cause value returned by topology_physical_package_id() to be more than topology_max_packages(). Here the allocation uses topology_max_packages(). The call to topology_max_packages() returns maximum logical package ID not physical ID. Hence use topology_logical_package_id() instead of topology_physical_package_id(). Fixes: 9a1aac8 ("platform/x86: ISST: PUNIT device mapping with Sub-NUMA clustering") Cc: [email protected] Acked-by: Srinivas Pandruvada <[email protected]> Signed-off-by: Zach Wade <[email protected]> Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Hans de Goede <[email protected]> Signed-off-by: Hans de Goede <[email protected]>
suse-kernel
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Oct 10, 2024
commit 7d59ac0 upstream. Attaching SST PCI device to VM causes "BUG: KASAN: slab-out-of-bounds". kasan report: [ 19.411889] ================================================================== [ 19.413702] BUG: KASAN: slab-out-of-bounds in _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.415634] Read of size 8 at addr ffff888829e65200 by task cpuhp/16/113 [ 19.417368] [ 19.418627] CPU: 16 PID: 113 Comm: cpuhp/16 Tainted: G E 6.9.0 #10 [ 19.420435] Hardware name: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.20192059.B64.2207280713 07/28/2022 [ 19.422687] Call Trace: [ 19.424091] <TASK> [ 19.425448] dump_stack_lvl+0x5d/0x80 [ 19.426963] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.428694] print_report+0x19d/0x52e [ 19.430206] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 19.431837] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.433539] kasan_report+0xf0/0x170 [ 19.435019] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.436709] _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.438379] ? __pfx_sched_clock_cpu+0x10/0x10 [ 19.439910] isst_if_cpu_online+0x406/0x58f [isst_if_common] [ 19.441573] ? __pfx_isst_if_cpu_online+0x10/0x10 [isst_if_common] [ 19.443263] ? ttwu_queue_wakelist+0x2c1/0x360 [ 19.444797] cpuhp_invoke_callback+0x221/0xec0 [ 19.446337] cpuhp_thread_fun+0x21b/0x610 [ 19.447814] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 19.449354] smpboot_thread_fn+0x2e7/0x6e0 [ 19.450859] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 19.452405] kthread+0x29c/0x350 [ 19.453817] ? __pfx_kthread+0x10/0x10 [ 19.455253] ret_from_fork+0x31/0x70 [ 19.456685] ? __pfx_kthread+0x10/0x10 [ 19.458114] ret_from_fork_asm+0x1a/0x30 [ 19.459573] </TASK> [ 19.460853] [ 19.462055] Allocated by task 1198: [ 19.463410] kasan_save_stack+0x30/0x50 [ 19.464788] kasan_save_track+0x14/0x30 [ 19.466139] __kasan_kmalloc+0xaa/0xb0 [ 19.467465] __kmalloc+0x1cd/0x470 [ 19.468748] isst_if_cdev_register+0x1da/0x350 [isst_if_common] [ 19.470233] isst_if_mbox_init+0x108/0xff0 [isst_if_mbox_msr] [ 19.471670] do_one_initcall+0xa4/0x380 [ 19.472903] do_init_module+0x238/0x760 [ 19.474105] load_module+0x5239/0x6f00 [ 19.475285] init_module_from_file+0xd1/0x130 [ 19.476506] idempotent_init_module+0x23b/0x650 [ 19.477725] __x64_sys_finit_module+0xbe/0x130 [ 19.476506] idempotent_init_module+0x23b/0x650 [ 19.477725] __x64_sys_finit_module+0xbe/0x130 [ 19.478920] do_syscall_64+0x82/0x160 [ 19.480036] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 19.481292] [ 19.482205] The buggy address belongs to the object at ffff888829e65000 which belongs to the cache kmalloc-512 of size 512 [ 19.484818] The buggy address is located 0 bytes to the right of allocated 512-byte region [ffff888829e65000, ffff888829e65200) [ 19.487447] [ 19.488328] The buggy address belongs to the physical page: [ 19.489569] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888829e60c00 pfn:0x829e60 [ 19.491140] head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.492466] anon flags: 0x57ffffc0000840(slab|head|node=1|zone=2|lastcpupid=0x1fffff) [ 19.493914] page_type: 0xffffffff() [ 19.494988] raw: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001 [ 19.496451] raw: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000 [ 19.497906] head: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001 [ 19.499379] head: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000 [ 19.500844] head: 0057ffffc0000003 ffffea0020a79801 ffffea0020a79848 00000000ffffffff [ 19.502316] head: 0000000800000000 0000000000000000 00000000ffffffff 0000000000000000 [ 19.503784] page dumped because: kasan: bad access detected [ 19.505058] [ 19.505970] Memory state around the buggy address: [ 19.507172] ffff888829e65100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.508599] ffff888829e65180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.510013] >ffff888829e65200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.510014] ^ [ 19.510016] ffff888829e65280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.510018] ffff888829e65300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.515367] ================================================================== The reason for this error is physical_package_ids assigned by VMware VMM are not continuous and have gaps. This will cause value returned by topology_physical_package_id() to be more than topology_max_packages(). Here the allocation uses topology_max_packages(). The call to topology_max_packages() returns maximum logical package ID not physical ID. Hence use topology_logical_package_id() instead of topology_physical_package_id(). Fixes: 9a1aac8 ("platform/x86: ISST: PUNIT device mapping with Sub-NUMA clustering") Cc: [email protected] Acked-by: Srinivas Pandruvada <[email protected]> Signed-off-by: Zach Wade <[email protected]> Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Hans de Goede <[email protected]> Signed-off-by: Hans de Goede <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
suse-kernel
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Oct 10, 2024
commit ac01c8c upstream. AddressSanitizer found a use-after-free bug in the symbol code which manifested as 'perf top' segfaulting. ==1238389==ERROR: AddressSanitizer: heap-use-after-free on address 0x60b00c48844b at pc 0x5650d8035961 bp 0x7f751aaecc90 sp 0x7f751aaecc80 READ of size 1 at 0x60b00c48844b thread T193 #0 0x5650d8035960 in _sort__sym_cmp util/sort.c:310 #1 0x5650d8043744 in hist_entry__cmp util/hist.c:1286 #2 0x5650d8043951 in hists__findnew_entry util/hist.c:614 #3 0x5650d804568f in __hists__add_entry util/hist.c:754 #4 0x5650d8045bf9 in hists__add_entry util/hist.c:772 #5 0x5650d8045df1 in iter_add_single_normal_entry util/hist.c:997 #6 0x5650d8043326 in hist_entry_iter__add util/hist.c:1242 #7 0x5650d7ceeefe in perf_event__process_sample /home/matt/src/linux/tools/perf/builtin-top.c:845 #8 0x5650d7ceeefe in deliver_event /home/matt/src/linux/tools/perf/builtin-top.c:1208 #9 0x5650d7fdb51b in do_flush util/ordered-events.c:245 #10 0x5650d7fdb51b in __ordered_events__flush util/ordered-events.c:324 #11 0x5650d7ced743 in process_thread /home/matt/src/linux/tools/perf/builtin-top.c:1120 #12 0x7f757ef1f133 in start_thread nptl/pthread_create.c:442 #13 0x7f757ef9f7db in clone3 ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 When updating hist maps it's also necessary to update the hist symbol reference because the old one gets freed in map__put(). While this bug was probably introduced with 5c24b67 ("perf tools: Replace map->referenced & maps->removed_maps with map->refcnt"), the symbol objects were leaked until c087e94 ("perf machine: Fix refcount usage when processing PERF_RECORD_KSYMBOL") was merged so the bug was masked. Fixes: c087e94 ("perf machine: Fix refcount usage when processing PERF_RECORD_KSYMBOL") Reported-by: Yunzhao Li <[email protected]> Signed-off-by: Matt Fleming (Cloudflare) <[email protected]> Cc: Ian Rogers <[email protected]> Cc: [email protected] Cc: Namhyung Kim <[email protected]> Cc: Riccardo Mancini <[email protected]> Cc: [email protected] # v5.13+ Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Oct 10, 2024
commit 9af2efe upstream. The fields in the hist_entry are filled on-demand which means they only have meaningful values when relevant sort keys are used. So if neither of 'dso' nor 'sym' sort keys are used, the map/symbols in the hist entry can be garbage. So it shouldn't access it unconditionally. I got a segfault, when I wanted to see cgroup profiles. $ sudo perf record -a --all-cgroups --synth=cgroup true $ sudo perf report -s cgroup Program received signal SIGSEGV, Segmentation fault. 0x00005555557a8d90 in map__dso (map=0x0) at util/map.h:48 48 return RC_CHK_ACCESS(map)->dso; (gdb) bt #0 0x00005555557a8d90 in map__dso (map=0x0) at util/map.h:48 #1 0x00005555557aa39b in map__load (map=0x0) at util/map.c:344 #2 0x00005555557aa592 in map__find_symbol (map=0x0, addr=140736115941088) at util/map.c:385 #3 0x00005555557ef000 in hists__findnew_entry (hists=0x555556039d60, entry=0x7fffffffa4c0, al=0x7fffffffa8c0, sample_self=true) at util/hist.c:644 #4 0x00005555557ef61c in __hists__add_entry (hists=0x555556039d60, al=0x7fffffffa8c0, sym_parent=0x0, bi=0x0, mi=0x0, ki=0x0, block_info=0x0, sample=0x7fffffffaa90, sample_self=true, ops=0x0) at util/hist.c:761 #5 0x00005555557ef71f in hists__add_entry (hists=0x555556039d60, al=0x7fffffffa8c0, sym_parent=0x0, bi=0x0, mi=0x0, ki=0x0, sample=0x7fffffffaa90, sample_self=true) at util/hist.c:779 #6 0x00005555557f00fb in iter_add_single_normal_entry (iter=0x7fffffffa900, al=0x7fffffffa8c0) at util/hist.c:1015 #7 0x00005555557f09a7 in hist_entry_iter__add (iter=0x7fffffffa900, al=0x7fffffffa8c0, max_stack_depth=127, arg=0x7fffffffbce0) at util/hist.c:1260 #8 0x00005555555ba7ce in process_sample_event (tool=0x7fffffffbce0, event=0x7ffff7c14128, sample=0x7fffffffaa90, evsel=0x555556039ad0, machine=0x5555560388e8) at builtin-report.c:334 #9 0x00005555557b30c8 in evlist__deliver_sample (evlist=0x555556039010, tool=0x7fffffffbce0, event=0x7ffff7c14128, sample=0x7fffffffaa90, evsel=0x555556039ad0, machine=0x5555560388e8) at util/session.c:1232 #10 0x00005555557b32bc in machines__deliver_event (machines=0x5555560388e8, evlist=0x555556039010, event=0x7ffff7c14128, sample=0x7fffffffaa90, tool=0x7fffffffbce0, file_offset=110888, file_path=0x555556038ff0 "perf.data") at util/session.c:1271 #11 0x00005555557b3848 in perf_session__deliver_event (session=0x5555560386d0, event=0x7ffff7c14128, tool=0x7fffffffbce0, file_offset=110888, file_path=0x555556038ff0 "perf.data") at util/session.c:1354 #12 0x00005555557affaf in ordered_events__deliver_event (oe=0x555556038e60, event=0x555556135aa0) at util/session.c:132 #13 0x00005555557bb605 in do_flush (oe=0x555556038e60, show_progress=false) at util/ordered-events.c:245 #14 0x00005555557bb95c in __ordered_events__flush (oe=0x555556038e60, how=OE_FLUSH__ROUND, timestamp=0) at util/ordered-events.c:324 #15 0x00005555557bba46 in ordered_events__flush (oe=0x555556038e60, how=OE_FLUSH__ROUND) at util/ordered-events.c:342 #16 0x00005555557b1b3b in perf_event__process_finished_round (tool=0x7fffffffbce0, event=0x7ffff7c15bb8, oe=0x555556038e60) at util/session.c:780 #17 0x00005555557b3b27 in perf_session__process_user_event (session=0x5555560386d0, event=0x7ffff7c15bb8, file_offset=117688, file_path=0x555556038ff0 "perf.data") at util/session.c:1406 As you can see the entry->ms.map was NULL even if he->ms.map has a value. This is because 'sym' sort key is not given, so it cannot assume whether he->ms.sym and entry->ms.sym is the same. I only checked the 'sym' sort key here as it implies 'dso' behavior (so maps are the same). Fixes: ac01c8c ("perf hist: Update hist symbol when updating maps") Signed-off-by: Namhyung Kim <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Ian Rogers <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Kan Liang <[email protected]> Cc: Matt Fleming <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Oct 10, 2024
commit 7d59ac0 upstream. Attaching SST PCI device to VM causes "BUG: KASAN: slab-out-of-bounds". kasan report: [ 19.411889] ================================================================== [ 19.413702] BUG: KASAN: slab-out-of-bounds in _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.415634] Read of size 8 at addr ffff888829e65200 by task cpuhp/16/113 [ 19.417368] [ 19.418627] CPU: 16 PID: 113 Comm: cpuhp/16 Tainted: G E 6.9.0 #10 [ 19.420435] Hardware name: VMware, Inc. VMware20,1/440BX Desktop Reference Platform, BIOS VMW201.00V.20192059.B64.2207280713 07/28/2022 [ 19.422687] Call Trace: [ 19.424091] <TASK> [ 19.425448] dump_stack_lvl+0x5d/0x80 [ 19.426963] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.428694] print_report+0x19d/0x52e [ 19.430206] ? __pfx__raw_spin_lock_irqsave+0x10/0x10 [ 19.431837] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.433539] kasan_report+0xf0/0x170 [ 19.435019] ? _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.436709] _isst_if_get_pci_dev+0x3d5/0x400 [isst_if_common] [ 19.438379] ? __pfx_sched_clock_cpu+0x10/0x10 [ 19.439910] isst_if_cpu_online+0x406/0x58f [isst_if_common] [ 19.441573] ? __pfx_isst_if_cpu_online+0x10/0x10 [isst_if_common] [ 19.443263] ? ttwu_queue_wakelist+0x2c1/0x360 [ 19.444797] cpuhp_invoke_callback+0x221/0xec0 [ 19.446337] cpuhp_thread_fun+0x21b/0x610 [ 19.447814] ? __pfx_cpuhp_thread_fun+0x10/0x10 [ 19.449354] smpboot_thread_fn+0x2e7/0x6e0 [ 19.450859] ? __pfx_smpboot_thread_fn+0x10/0x10 [ 19.452405] kthread+0x29c/0x350 [ 19.453817] ? __pfx_kthread+0x10/0x10 [ 19.455253] ret_from_fork+0x31/0x70 [ 19.456685] ? __pfx_kthread+0x10/0x10 [ 19.458114] ret_from_fork_asm+0x1a/0x30 [ 19.459573] </TASK> [ 19.460853] [ 19.462055] Allocated by task 1198: [ 19.463410] kasan_save_stack+0x30/0x50 [ 19.464788] kasan_save_track+0x14/0x30 [ 19.466139] __kasan_kmalloc+0xaa/0xb0 [ 19.467465] __kmalloc+0x1cd/0x470 [ 19.468748] isst_if_cdev_register+0x1da/0x350 [isst_if_common] [ 19.470233] isst_if_mbox_init+0x108/0xff0 [isst_if_mbox_msr] [ 19.471670] do_one_initcall+0xa4/0x380 [ 19.472903] do_init_module+0x238/0x760 [ 19.474105] load_module+0x5239/0x6f00 [ 19.475285] init_module_from_file+0xd1/0x130 [ 19.476506] idempotent_init_module+0x23b/0x650 [ 19.477725] __x64_sys_finit_module+0xbe/0x130 [ 19.476506] idempotent_init_module+0x23b/0x650 [ 19.477725] __x64_sys_finit_module+0xbe/0x130 [ 19.478920] do_syscall_64+0x82/0x160 [ 19.480036] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 19.481292] [ 19.482205] The buggy address belongs to the object at ffff888829e65000 which belongs to the cache kmalloc-512 of size 512 [ 19.484818] The buggy address is located 0 bytes to the right of allocated 512-byte region [ffff888829e65000, ffff888829e65200) [ 19.487447] [ 19.488328] The buggy address belongs to the physical page: [ 19.489569] page: refcount:1 mapcount:0 mapping:0000000000000000 index:0xffff888829e60c00 pfn:0x829e60 [ 19.491140] head: order:3 entire_mapcount:0 nr_pages_mapped:0 pincount:0 [ 19.492466] anon flags: 0x57ffffc0000840(slab|head|node=1|zone=2|lastcpupid=0x1fffff) [ 19.493914] page_type: 0xffffffff() [ 19.494988] raw: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001 [ 19.496451] raw: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000 [ 19.497906] head: 0057ffffc0000840 ffff88810004cc80 0000000000000000 0000000000000001 [ 19.499379] head: ffff888829e60c00 0000000080200018 00000001ffffffff 0000000000000000 [ 19.500844] head: 0057ffffc0000003 ffffea0020a79801 ffffea0020a79848 00000000ffffffff [ 19.502316] head: 0000000800000000 0000000000000000 00000000ffffffff 0000000000000000 [ 19.503784] page dumped because: kasan: bad access detected [ 19.505058] [ 19.505970] Memory state around the buggy address: [ 19.507172] ffff888829e65100: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.508599] ffff888829e65180: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 [ 19.510013] >ffff888829e65200: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.510014] ^ [ 19.510016] ffff888829e65280: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.510018] ffff888829e65300: fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc fc [ 19.515367] ================================================================== The reason for this error is physical_package_ids assigned by VMware VMM are not continuous and have gaps. This will cause value returned by topology_physical_package_id() to be more than topology_max_packages(). Here the allocation uses topology_max_packages(). The call to topology_max_packages() returns maximum logical package ID not physical ID. Hence use topology_logical_package_id() instead of topology_physical_package_id(). Fixes: 9a1aac8 ("platform/x86: ISST: PUNIT device mapping with Sub-NUMA clustering") Cc: [email protected] Acked-by: Srinivas Pandruvada <[email protected]> Signed-off-by: Zach Wade <[email protected]> Link: https://lore.kernel.org/r/[email protected] Reviewed-by: Hans de Goede <[email protected]> Signed-off-by: Hans de Goede <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
suse-kernel
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Oct 10, 2024
commit ac01c8c upstream. AddressSanitizer found a use-after-free bug in the symbol code which manifested as 'perf top' segfaulting. ==1238389==ERROR: AddressSanitizer: heap-use-after-free on address 0x60b00c48844b at pc 0x5650d8035961 bp 0x7f751aaecc90 sp 0x7f751aaecc80 READ of size 1 at 0x60b00c48844b thread T193 #0 0x5650d8035960 in _sort__sym_cmp util/sort.c:310 #1 0x5650d8043744 in hist_entry__cmp util/hist.c:1286 #2 0x5650d8043951 in hists__findnew_entry util/hist.c:614 #3 0x5650d804568f in __hists__add_entry util/hist.c:754 #4 0x5650d8045bf9 in hists__add_entry util/hist.c:772 #5 0x5650d8045df1 in iter_add_single_normal_entry util/hist.c:997 #6 0x5650d8043326 in hist_entry_iter__add util/hist.c:1242 #7 0x5650d7ceeefe in perf_event__process_sample /home/matt/src/linux/tools/perf/builtin-top.c:845 #8 0x5650d7ceeefe in deliver_event /home/matt/src/linux/tools/perf/builtin-top.c:1208 #9 0x5650d7fdb51b in do_flush util/ordered-events.c:245 #10 0x5650d7fdb51b in __ordered_events__flush util/ordered-events.c:324 #11 0x5650d7ced743 in process_thread /home/matt/src/linux/tools/perf/builtin-top.c:1120 #12 0x7f757ef1f133 in start_thread nptl/pthread_create.c:442 #13 0x7f757ef9f7db in clone3 ../sysdeps/unix/sysv/linux/x86_64/clone3.S:81 When updating hist maps it's also necessary to update the hist symbol reference because the old one gets freed in map__put(). While this bug was probably introduced with 5c24b67 ("perf tools: Replace map->referenced & maps->removed_maps with map->refcnt"), the symbol objects were leaked until c087e94 ("perf machine: Fix refcount usage when processing PERF_RECORD_KSYMBOL") was merged so the bug was masked. Fixes: c087e94 ("perf machine: Fix refcount usage when processing PERF_RECORD_KSYMBOL") Reported-by: Yunzhao Li <[email protected]> Signed-off-by: Matt Fleming (Cloudflare) <[email protected]> Cc: Ian Rogers <[email protected]> Cc: [email protected] Cc: Namhyung Kim <[email protected]> Cc: Riccardo Mancini <[email protected]> Cc: [email protected] # v5.13+ Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Oct 10, 2024
commit 9af2efe upstream. The fields in the hist_entry are filled on-demand which means they only have meaningful values when relevant sort keys are used. So if neither of 'dso' nor 'sym' sort keys are used, the map/symbols in the hist entry can be garbage. So it shouldn't access it unconditionally. I got a segfault, when I wanted to see cgroup profiles. $ sudo perf record -a --all-cgroups --synth=cgroup true $ sudo perf report -s cgroup Program received signal SIGSEGV, Segmentation fault. 0x00005555557a8d90 in map__dso (map=0x0) at util/map.h:48 48 return RC_CHK_ACCESS(map)->dso; (gdb) bt #0 0x00005555557a8d90 in map__dso (map=0x0) at util/map.h:48 #1 0x00005555557aa39b in map__load (map=0x0) at util/map.c:344 #2 0x00005555557aa592 in map__find_symbol (map=0x0, addr=140736115941088) at util/map.c:385 #3 0x00005555557ef000 in hists__findnew_entry (hists=0x555556039d60, entry=0x7fffffffa4c0, al=0x7fffffffa8c0, sample_self=true) at util/hist.c:644 #4 0x00005555557ef61c in __hists__add_entry (hists=0x555556039d60, al=0x7fffffffa8c0, sym_parent=0x0, bi=0x0, mi=0x0, ki=0x0, block_info=0x0, sample=0x7fffffffaa90, sample_self=true, ops=0x0) at util/hist.c:761 #5 0x00005555557ef71f in hists__add_entry (hists=0x555556039d60, al=0x7fffffffa8c0, sym_parent=0x0, bi=0x0, mi=0x0, ki=0x0, sample=0x7fffffffaa90, sample_self=true) at util/hist.c:779 #6 0x00005555557f00fb in iter_add_single_normal_entry (iter=0x7fffffffa900, al=0x7fffffffa8c0) at util/hist.c:1015 #7 0x00005555557f09a7 in hist_entry_iter__add (iter=0x7fffffffa900, al=0x7fffffffa8c0, max_stack_depth=127, arg=0x7fffffffbce0) at util/hist.c:1260 #8 0x00005555555ba7ce in process_sample_event (tool=0x7fffffffbce0, event=0x7ffff7c14128, sample=0x7fffffffaa90, evsel=0x555556039ad0, machine=0x5555560388e8) at builtin-report.c:334 #9 0x00005555557b30c8 in evlist__deliver_sample (evlist=0x555556039010, tool=0x7fffffffbce0, event=0x7ffff7c14128, sample=0x7fffffffaa90, evsel=0x555556039ad0, machine=0x5555560388e8) at util/session.c:1232 #10 0x00005555557b32bc in machines__deliver_event (machines=0x5555560388e8, evlist=0x555556039010, event=0x7ffff7c14128, sample=0x7fffffffaa90, tool=0x7fffffffbce0, file_offset=110888, file_path=0x555556038ff0 "perf.data") at util/session.c:1271 #11 0x00005555557b3848 in perf_session__deliver_event (session=0x5555560386d0, event=0x7ffff7c14128, tool=0x7fffffffbce0, file_offset=110888, file_path=0x555556038ff0 "perf.data") at util/session.c:1354 #12 0x00005555557affaf in ordered_events__deliver_event (oe=0x555556038e60, event=0x555556135aa0) at util/session.c:132 #13 0x00005555557bb605 in do_flush (oe=0x555556038e60, show_progress=false) at util/ordered-events.c:245 #14 0x00005555557bb95c in __ordered_events__flush (oe=0x555556038e60, how=OE_FLUSH__ROUND, timestamp=0) at util/ordered-events.c:324 #15 0x00005555557bba46 in ordered_events__flush (oe=0x555556038e60, how=OE_FLUSH__ROUND) at util/ordered-events.c:342 #16 0x00005555557b1b3b in perf_event__process_finished_round (tool=0x7fffffffbce0, event=0x7ffff7c15bb8, oe=0x555556038e60) at util/session.c:780 #17 0x00005555557b3b27 in perf_session__process_user_event (session=0x5555560386d0, event=0x7ffff7c15bb8, file_offset=117688, file_path=0x555556038ff0 "perf.data") at util/session.c:1406 As you can see the entry->ms.map was NULL even if he->ms.map has a value. This is because 'sym' sort key is not given, so it cannot assume whether he->ms.sym and entry->ms.sym is the same. I only checked the 'sym' sort key here as it implies 'dso' behavior (so maps are the same). Fixes: ac01c8c ("perf hist: Update hist symbol when updating maps") Signed-off-by: Namhyung Kim <[email protected]> Cc: Adrian Hunter <[email protected]> Cc: Ian Rogers <[email protected]> Cc: Ingo Molnar <[email protected]> Cc: Jiri Olsa <[email protected]> Cc: Kan Liang <[email protected]> Cc: Matt Fleming <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]>
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