pci (null): pci_fixup_video+0x0/0x310 arch/x86/pci/fixup.c:-1 took 33667 usecs
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1451 at drivers/pci/probe.c:2712 pci_device_add+0x126f/0x1600 drivers/pci/probe.c:2712
Modules linked in:
CPU: 0 UID: 0 PID: 1451 Comm: syz.3.386 Not tainted syzkaller #0 ae7936ebab52aae609823c9494ba9ebab2c98923
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:pci_device_add+0x126f/0x1600 drivers/pci/probe.c:2712
Code: f9 ff ff e9 77 f9 ff ff e8 ce 67 99 fe 0f 0b 4c 8b 6c 24 30 e9 9f f9 ff ff e8 bd 67 99 fe 0f 0b e9 6e fc ff ff e8 b1 67 99 fe <0f> 0b e9 64 fd ff ff 49 8d 8f 09 0b 00 00 80 e1 07 38 c1 0f 8c 1e
RSP: 0018:ffffc9000ee97800 EFLAGS: 00010293
RAX: ffffffff82efe74f RBX: 00000000ffffffea RCX: ffff888119a74f00
RDX: 0000000000000000 RSI: 00000000ffffffea RDI: 0000000000000000
RBP: ffffc9000ee978f0 R08: ffff88811a2c4103 R09: 1ffff11023458820
R10: dffffc0000000000 R11: ffffed1023458821 R12: ffff88810fa7a028
R13: ffff88811a2c4320 R14: dffffc0000000000 R15: ffff88811a2c4b08
FS: 00007f315b8af6c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c35695e CR3: 0000000116de6000 CR4: 00000000003526b0
Call Trace:
pci_scan_single_device+0x520/0x710 drivers/pci/probe.c:2731
pci_scan_slot+0x1e6/0x680 drivers/pci/probe.c:2814
pci_scan_child_bus_extend+0x95/0x8b0 drivers/pci/probe.c:3033
pci_scan_child_bus drivers/pci/probe.c:3147 [inline]
pci_rescan_bus+0x1d/0x40 drivers/pci/probe.c:3438
rescan_store+0xcd/0x150 drivers/pci/pci-sysfs.c:463
bus_attr_store+0x91/0xb0 drivers/base/bus.c:172
sysfs_kf_write+0x141/0x160 fs/sysfs/file.c:136
kernfs_fop_write_iter+0x319/0x510 fs/kernfs/file.c:352
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x762/0xfd0 fs/read_write.c:684
ksys_write+0x145/0x260 fs/read_write.c:737
__do_sys_write fs/read_write.c:749 [inline]
__se_sys_write fs/read_write.c:746 [inline]
__x64_sys_write+0x7f/0x90 fs/read_write.c:746
x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
do_syscall_x64 arch/x86/entry/common.c:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f315a99f559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f315b8af028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f315ac25fa0 RCX: 00007f315a99f559
RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000003
RBP: 00007f315b8af090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007f315ac26038 R14: 00007f315ac25fa0 R15: 00007ffe124f8848
---[ end trace 0000000000000000 ]---
pci (null): BAR 0 [mem 0xc0000000-0xc07fffff]: assigned
------------[ cut here ]------------
WARNING: CPU: 0 PID: 1451 at fs/sysfs/file.c:579 sysfs_create_bin_file+0x16a/0x330 fs/sysfs/file.c:579
Modules linked in:
CPU: 0 UID: 0 PID: 1451 Comm: syz.3.386 Tainted: G W syzkaller #0 ae7936ebab52aae609823c9494ba9ebab2c98923
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:sysfs_create_bin_file+0x16a/0x330 fs/sysfs/file.c:579
Code: 08 48 89 df e8 27 c3 ce ff 48 83 3b 00 44 89 74 24 14 74 22 e8 17 3b 75 ff 49 c7 c6 a0 85 39 86 e9 80 00 00 00 e8 06 3b 75 ff <0f> 0b b8 ea ff ff ff e9 46 01 00 00 49 8d 7d 28 48 89 f8 48 c1 e8
RSP: 0018:ffffc9000ee97940 EFLAGS: 00010293
RAX: ffffffff82141592 RBX: 1ffff1102345881f RCX: ffff888119a74f00
RDX: 0000000000000000 RSI: ffff88810fbd0d00 RDI: ffff88811a2c40c8
RBP: ffffc9000ee979f0 R08: ffffc9000ee977d7 R09: 0000000000000000
R10: ffffc9000ee977c0 R11: fffff52001dd2efb R12: 1ffff92001dd2f2c
R13: ffff88810fbd0d00 R14: ffff88811a2c40c8 R15: dffffc0000000000
FS: 00007f315b8af6c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c35695e CR3: 0000000116de6000 CR4: 00000000003526b0
Call Trace:
pci_create_attr+0x33c/0x580 drivers/pci/pci-sysfs.c:1253
pci_create_resource_files drivers/pci/pci-sysfs.c:1285 [inline]
pci_create_sysfs_dev_files+0xd5/0x1e0 drivers/pci/pci-sysfs.c:1559
pci_bus_add_device+0x68/0x1f0 drivers/pci/bus.c:345
pci_bus_add_devices+0x98/0x1c0 drivers/pci/bus.c:401
pci_rescan_bus+0x30/0x40 drivers/pci/probe.c:3440
rescan_store+0xcd/0x150 drivers/pci/pci-sysfs.c:463
bus_attr_store+0x91/0xb0 drivers/base/bus.c:172
sysfs_kf_write+0x141/0x160 fs/sysfs/file.c:136
kernfs_fop_write_iter+0x319/0x510 fs/kernfs/file.c:352
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x762/0xfd0 fs/read_write.c:684
ksys_write+0x145/0x260 fs/read_write.c:737
__do_sys_write fs/read_write.c:749 [inline]
__se_sys_write fs/read_write.c:746 [inline]
__x64_sys_write+0x7f/0x90 fs/read_write.c:746
x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
do_syscall_x64 arch/x86/entry/common.c:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f315a99f559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f315b8af028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f315ac25fa0 RCX: 00007f315a99f559
RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000003
RBP: 00007f315b8af090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007f315ac26038 R14: 00007f315ac25fa0 R15: 00007ffe124f8848
---[ end trace 0000000000000000 ]---
Oops: general protection fault, probably for non-canonical address 0xdffffc000000001a: 0000 [#1] PREEMPT SMP KASAN PTI
KASAN: null-ptr-deref in range [0x00000000000000d0-0x00000000000000d7]
CPU: 0 UID: 0 PID: 1451 Comm: syz.3.386 Tainted: G W syzkaller #0 ae7936ebab52aae609823c9494ba9ebab2c98923
Tainted: [W]=WARN
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/07/2026
RIP: 0010:__device_attach+0xb2/0x3c0 drivers/base/dd.c:1005
Code: 8d 66 68 4c 89 e0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 e7 e8 a0 29 9c fe 4d 8b 2c 24 4d 8d a5 d0 00 00 00 4c 89 e0 48 c1 e8 03 <0f> b6 04 18 84 c0 0f 85 dd 02 00 00 41 0f b6 1c 24 89 de 83 e6 01
RSP: 0018:ffffc9000ee979c0 EFLAGS: 00010202
RAX: 000000000000001a RBX: dffffc0000000000 RCX: ffffffff85a975c7
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc9000ee97940
RBP: ffffc9000ee97a68 R08: ffffc9000ee97947 R09: 1ffff92001dd2f28
R10: dffffc0000000000 R11: fffff52001dd2f29 R12: 00000000000000d0
R13: 0000000000000000 R14: ffff88811a2c40c8 R15: 0000000000000000
FS: 00007f315b8af6c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000000110c35695e CR3: 0000000116de6000 CR4: 00000000003526b0
Call Trace:
device_attach+0x1b/0x40 drivers/base/dd.c:1072
pci_bus_add_device+0x11f/0x1f0 drivers/pci/bus.c:378
pci_bus_add_devices+0x98/0x1c0 drivers/pci/bus.c:401
pci_rescan_bus+0x30/0x40 drivers/pci/probe.c:3440
rescan_store+0xcd/0x150 drivers/pci/pci-sysfs.c:463
bus_attr_store+0x91/0xb0 drivers/base/bus.c:172
sysfs_kf_write+0x141/0x160 fs/sysfs/file.c:136
kernfs_fop_write_iter+0x319/0x510 fs/kernfs/file.c:352
new_sync_write fs/read_write.c:591 [inline]
vfs_write+0x762/0xfd0 fs/read_write.c:684
ksys_write+0x145/0x260 fs/read_write.c:737
__do_sys_write fs/read_write.c:749 [inline]
__se_sys_write fs/read_write.c:746 [inline]
__x64_sys_write+0x7f/0x90 fs/read_write.c:746
x64_sys_call+0x271c/0x2ee0 arch/x86/include/generated/asm/syscalls_64.h:2
do_syscall_x64 arch/x86/entry/common.c:47 [inline]
do_syscall_64+0x57/0xf0 arch/x86/entry/common.c:78
entry_SYSCALL_64_after_hwframe+0x76/0x7e
RIP: 0033:0x7f315a99f559
Code: ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 e8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f315b8af028 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 00007f315ac25fa0 RCX: 00007f315a99f559
RDX: 0000000000000001 RSI: 0000200000000240 RDI: 0000000000000003
RBP: 00007f315b8af090 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001
R13: 00007f315ac26038 R14: 00007f315ac25fa0 R15: 00007ffe124f8848
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__device_attach+0xb2/0x3c0 drivers/base/dd.c:1005
Code: 8d 66 68 4c 89 e0 48 c1 e8 03 80 3c 18 00 74 08 4c 89 e7 e8 a0 29 9c fe 4d 8b 2c 24 4d 8d a5 d0 00 00 00 4c 89 e0 48 c1 e8 03 <0f> b6 04 18 84 c0 0f 85 dd 02 00 00 41 0f b6 1c 24 89 de 83 e6 01
RSP: 0018:ffffc9000ee979c0 EFLAGS: 00010202
RAX: 000000000000001a RBX: dffffc0000000000 RCX: ffffffff85a975c7
RDX: 0000000000000001 RSI: 0000000000000008 RDI: ffffc9000ee97940
RBP: ffffc9000ee97a68 R08: ffffc9000ee97947 R09: 1ffff92001dd2f28
R10: dffffc0000000000 R11: fffff52001dd2f29 R12: 00000000000000d0
R13: 0000000000000000 R14: ffff88811a2c40c8 R15: 0000000000000000
FS: 00007f315b8af6c0(0000) GS:ffff8881f6c00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000002e92000 CR3: 0000000116de6000 CR4: 00000000003526b0
----------------
Code disassembly (best guess):
0: 8d 66 68 lea 0x68(%rsi),%esp
3: 4c 89 e0 mov %r12,%rax
6: 48 c1 e8 03 shr $0x3,%rax
a: 80 3c 18 00 cmpb $0x0,(%rax,%rbx,1)
e: 74 08 je 0x18
10: 4c 89 e7 mov %r12,%rdi
13: e8 a0 29 9c fe call 0xfe9c29b8
18: 4d 8b 2c 24 mov (%r12),%r13
1c: 4d 8d a5 d0 00 00 00 lea 0xd0(%r13),%r12
23: 4c 89 e0 mov %r12,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 0f b6 04 18 movzbl (%rax,%rbx,1),%eax <-- trapping instruction
2e: 84 c0 test %al,%al
30: 0f 85 dd 02 00 00 jne 0x313
36: 41 0f b6 1c 24 movzbl (%r12),%ebx
3b: 89 de mov %ebx,%esi
3d: 83 e6 01 and $0x1,%esi