lo_ioctl+0x66d/0x1c70
blkdev_ioctl+0x27c/0x6c0
__x64_sys_ioctl+0x18f/0x210
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Oops: general protection fault, probably for non-canonical address 0xfe001bea7e001fed: 0000 [#1] SMP KASAN NOPTI
KASAN: maybe wild-memory-access in range [0xf000ff53f000ff68-0xf000ff53f000ff6f]
CPU: 0 UID: 0 PID: 285 Comm: syz-executor.7 Tainted: G W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:kasan_byte_accessible+0x15/0x30
Code: 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ef 03 48 01 c7 <0f> b6 07 3c 07 0f 96 c0 e9 7e 15 0e 03 66 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffff88801b617600 EFLAGS: 00010086
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff84bddf4b RDI: fe001bea7e001fed
RBP: f000ff53f000ff6b R08: 0000000000000001 R09: 0000000000000000
R10: ffff888008cd6003 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff84bddf4b R14: 0000000000000000 R15: ffff888017346000
FS: 000055558b9af400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcc2773bd8 CR3: 000000003d4ed000 CR4: 0000000000350ef0
Call Trace:
__kasan_check_byte+0x14/0x50
lock_acquire+0xec/0x2f0
_raw_spin_lock+0x2b/0x40
__queue_work+0xb6e/0x1240
queue_work_on+0xd0/0xe0
loop_queue_rq+0x5c8/0x1180
__blk_mq_issue_directly+0xd5/0x260
blk_mq_request_issue_directly+0x11c/0x1e0
blk_mq_issue_direct+0x192/0x640
blk_mq_dispatch_queue_requests+0x4b0/0x7c0
blk_mq_flush_plug_list+0x1ec/0x5b0
__blk_flush_plug+0x25c/0x460
__submit_bio+0x480/0x5b0
submit_bio_noacct_nocheck+0x68e/0xcb0
submit_bio_noacct+0x359/0x1350
__sync_dirty_buffer+0x176/0x380
fat_set_state+0x22f/0x360
fat_put_super+0x3f/0xc0
generic_shutdown_super+0x15a/0x4a0
kill_block_super+0x3b/0x90
deactivate_locked_super+0xbf/0x1a0
deactivate_super+0xb1/0xd0
cleanup_mnt+0x2df/0x430
task_work_run+0x172/0x280
exit_to_user_mode_loop+0xef/0x110
do_syscall_64+0x2f7/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f0c51192f87
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcc2774318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f0c51192f87
RDX: 00007ffcc27743e9 RSI: 000000000000000a RDI: 00007ffcc27743e0
RBP: 00007ffcc27743e0 R08: 00000000ffffffff R09: 00007ffcc27741b0
R10: 000055558b9b0c7b R11: 0000000000000246 R12: 00007f0c511eb105
R13: 00007ffcc27754a0 R14: 000055558b9b0c20 R15: 00007ffcc27754e0
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:kasan_byte_accessible+0x15/0x30
Code: 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ef 03 48 01 c7 <0f> b6 07 3c 07 0f 96 c0 e9 7e 15 0e 03 66 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffff88801b617600 EFLAGS: 00010086
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff84bddf4b RDI: fe001bea7e001fed
RBP: f000ff53f000ff6b R08: 0000000000000001 R09: 0000000000000000
R10: ffff888008cd6003 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff84bddf4b R14: 0000000000000000 R15: ffff888017346000
FS: 000055558b9af400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcc2773bd8 CR3: 000000003d4ed000 CR4: 0000000000350ef0
note: syz-executor.7[285] exited with irqs disabled
note: syz-executor.7[285] exited with preempt_count 2
------------[ cut here ]------------
WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#0: syz-executor.7/285
Modules linked in:
CPU: 0 UID: 0 PID: 285 Comm: syz-executor.7 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:do_exit+0x1c36/0x2970
Code: 96 0a 00 00 c7 43 18 00 00 00 00 e9 21 e6 ff ff e8 bf a4 38 00 bf 02 24 00 00 e8 f5 ab 0b 00 e9 41 ff ff ff e8 ab a4 38 00 90 <0f> 0b 90 e9 87 e4 ff ff e8 9d a4 38 00 4c 89 e6 bf 05 06 00 00 e8
RSP: 0018:ffff88801b617e40 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffffffff813b2727
RDX: ffff88800f573700 RSI: ffffffff813b42d5 RDI: ffff88800f5748e8
RBP: ffff88800f573700 R08: 0000000000000001 R09: fffffbfff0f11cd8
R10: 0000000000000200 R11: 0000000000000001 R12: 000000000000000b
R13: 0000000000002710 R14: fe001bea7e001fed R15: 0000000000000000
FS: 000055558b9af400(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007ffcc2773bd8 CR3: 000000003d4ed000 CR4: 0000000000350ef0
Call Trace:
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f0c51192f87
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcc2774318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f0c51192f87
RDX: 00007ffcc27743e9 RSI: 000000000000000a RDI: 00007ffcc27743e0
RBP: 00007ffcc27743e0 R08: 00000000ffffffff R09: 00007ffcc27741b0
R10: 000055558b9b0c7b R11: 0000000000000246 R12: 00007f0c511eb105
R13: 00007ffcc27754a0 R14: 000055558b9b0c20 R15: 00007ffcc27754e0
irq event stamp: 175734
hardirqs last enabled at (175733): [] ktime_get+0x1c7/0x270
hardirqs last disabled at (175734): [] _raw_spin_lock_irq+0x42/0x50
softirqs last enabled at (175648): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (175453): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
BUG: sleeping function called from invalid context at ./include/linux/percpu-rwsem.h:51
in_atomic(): 0, irqs_disabled(): 0, non_block: 0, pid: 285, name: syz-executor.7
preempt_count: 0, expected: 0
RCU nest depth: 2, expected: 0
INFO: lockdep is turned off.
CPU: 0 UID: 0 PID: 285 Comm: syz-executor.7 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
__might_resched+0x2f3/0x510
exit_signals+0x25/0x940
do_exit+0x2db/0x2970
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f0c51192f87
Code: ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007ffcc2774318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f0c51192f87
RDX: 00007ffcc27743e9 RSI: 000000000000000a RDI: 00007ffcc27743e0
RBP: 00007ffcc27743e0 R08: 00000000ffffffff R09: 00007ffcc27741b0
R10: 000055558b9b0c7b R11: 0000000000000246 R12: 00007f0c511eb105
R13: 00007ffcc27754a0 R14: 000055558b9b0c20 R15: 00007ffcc27754e0
kmemleak: Found object by alias at 0x607f1a639074
CPU: 0 UID: 0 PID: 285 Comm: syz-executor.7 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xca/0x120
__lookup_object+0x94/0xb0
delete_object_full+0x27/0x70
free_percpu+0x30/0x1160
futex_hash_free+0x38/0xc0
mmput+0x2d3/0x390
do_exit+0x79d/0x2970
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f0c51192f87
Code: Unable to access opcode bytes at 0x7f0c51192f5d.
RSP: 002b:00007ffcc2774318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f0c51192f87
RDX: 00007ffcc27743e9 RSI: 000000000000000a RDI: 00007ffcc27743e0
RBP: 00007ffcc27743e0 R08: 00000000ffffffff R09: 00007ffcc27741b0
R10: 000055558b9b0c7b R11: 0000000000000246 R12: 00007f0c511eb105
R13: 00007ffcc27754a0 R14: 000055558b9b0c20 R15: 00007ffcc27754e0
kmemleak: Object (percpu) 0x607f1a639070 (size 8):
kmemleak: comm "syz-executor.7", pid 3967, jiffies 4294805981
kmemleak: min_count = 1
kmemleak: count = 0
kmemleak: flags = 0x21
kmemleak: checksum = 0
kmemleak: backtrace:
pcpu_alloc_noprof+0x87a/0x1170
__alloc_workqueue+0x74b/0x1820
alloc_workqueue_noprof+0xc7/0x200
loop_configure+0xf73/0x1590
lo_ioctl+0x66d/0x1c70
blkdev_ioctl+0x27c/0x6c0
__x64_sys_ioctl+0x18f/0x210
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
==================================================================
BUG: KASAN: stack-out-of-bounds in blk_mq_flush_plug_list+0x4d6/0x5b0
Read of size 2 at addr ffff88801b617b42 by task syz-executor.7/285
CPU: 0 UID: 0 PID: 285 Comm: syz-executor.7 Tainted: G D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xca/0x120
print_report+0xcb/0x610
kasan_report+0xca/0x100
blk_mq_flush_plug_list+0x4d6/0x5b0
__blk_flush_plug+0x25c/0x460
schedule+0x2b9/0x390
synchronize_rcu_expedited+0x353/0x420
namespace_unlock+0x4b6/0x810
put_mnt_ns+0xf5/0x120
free_nsproxy+0x3a/0x400
switch_task_namespaces+0xe2/0x100
do_exit+0x841/0x2970
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f0c51192f87
Code: Unable to access opcode bytes at 0x7f0c51192f5d.
RSP: 002b:00007ffcc2774318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f0c51192f87
RDX: 00007ffcc27743e9 RSI: 000000000000000a RDI: 00007ffcc27743e0
RBP: 00007ffcc27743e0 R08: 00000000ffffffff R09: 00007ffcc27741b0
R10: 000055558b9b0c7b R11: 0000000000000246 R12: 00007f0c511eb105
R13: 00007ffcc27754a0 R14: 000055558b9b0c20 R15: 00007ffcc27754e0
The buggy address belongs to stack of task syz-executor.7/285
and is located at offset 26 in frame:
__blk_flush_plug+0x0/0x460
This frame has 1 object:
[32, 48) 'callbacks'
The buggy address belongs to the physical page:
page: refcount:0 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x1b617
flags: 0x100000000000000(node=0|zone=1)
page_type: f9(unknown)
raw: 0100000000000000 0000000000000000 ffffea00006d85c8 0000000000000000
raw: 0000000000000000 0000000000000000 00000000f9000000 0000000000000000
page dumped because: kasan: bad access detected
Memory state around the buggy address:
ffff88801b617a00: 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1 f1 00
ffff88801b617a80: 00 f3 f3 00 00 00 00 00 00 00 00 00 00 00 00 00
>ffff88801b617b00: 00 00 00 00 00 f1 f1 f1 f1 00 00 f3 f3 00 00 00
^
ffff88801b617b80: 00 00 00 00 00 00 00 00 00 00 00 00 00 f1 f1 f1
ffff88801b617c00: f1 00 00 00 00 00 f2 f2 f2 f2 f2 00 00 00 00 00
==================================================================
BUG: unable to handle page fault for address: ffffffff81522048
#PF: supervisor write access in kernel mode
#PF: error_code(0x0003) - permissions violation
PGD 5a8b067 P4D 5a8b067 PUD 5a8c063 PMD 14001a1
Oops: Oops: 0003 [#2] SMP KASAN NOPTI
CPU: 0 UID: 0 PID: 285 Comm: syz-executor.7 Tainted: G B D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:blk_mq_dispatch_list+0x257/0x12c0
Code: 64 37 ff 4c 89 e2 48 8b 44 24 70 48 c1 ea 03 4c 89 64 24 70 80 3c 2a 00 0f 85 60 0e 00 00 48 8d 7b 50 48 8d 4c 24 68 48 89 fa <48> 89 4b 48 48 c1 ea 03 80 3c 2a 00 0f 85 2e 0e 00 00 48 89 c2 48
RSP: 0018:ffff88801b617920 EFLAGS: 00010246
RAX: ffff88801b617988 RBX: ffffffff81522000 RCX: ffff88801b617988
RDX: ffffffff81522050 RSI: ffffffff823c8320 RDI: ffffffff81522050
RBP: dffffc0000000000 R08: 0000000000000001 R09: fffffbfff0f11c90
R10: 00000000000000d9 R11: 0000000000000001 R12: ffffffff81522048
R13: 8948535554415541 R14: ffff88801b617b18 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff81522048 CR3: 000000000e1c6000 CR4: 0000000000350ef0
Call Trace:
blk_mq_flush_plug_list+0x12a/0x5b0
__blk_flush_plug+0x25c/0x460
schedule+0x2b9/0x390
synchronize_rcu_expedited+0x353/0x420
namespace_unlock+0x4b6/0x810
put_mnt_ns+0xf5/0x120
free_nsproxy+0x3a/0x400
switch_task_namespaces+0xe2/0x100
do_exit+0x841/0x2970
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f0c51192f87
Code: Unable to access opcode bytes at 0x7f0c51192f5d.
RSP: 002b:00007ffcc2774318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f0c51192f87
RDX: 00007ffcc27743e9 RSI: 000000000000000a RDI: 00007ffcc27743e0
RBP: 00007ffcc27743e0 R08: 00000000ffffffff R09: 00007ffcc27741b0
R10: 000055558b9b0c7b R11: 0000000000000246 R12: 00007f0c511eb105
R13: 00007ffcc27754a0 R14: 000055558b9b0c20 R15: 00007ffcc27754e0
Modules linked in:
CR2: ffffffff81522048
---[ end trace 0000000000000000 ]---
RIP: 0010:kasan_byte_accessible+0x15/0x30
Code: 00 00 0f 1f 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ef 03 48 01 c7 <0f> b6 07 3c 07 0f 96 c0 e9 7e 15 0e 03 66 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffff88801b617600 EFLAGS: 00010086
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff84bddf4b RDI: fe001bea7e001fed
RBP: f000ff53f000ff6b R08: 0000000000000001 R09: 0000000000000000
R10: ffff888008cd6003 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff84bddf4b R14: 0000000000000000 R15: ffff888017346000
FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff81522048 CR3: 000000000e1c6000 CR4: 0000000000350ef0
note: syz-executor.7[285] exited with irqs disabled
Fixing recursive fault but reboot is needed!
BUG: scheduling while atomic: syz-executor.7/285/0x00000000
INFO: lockdep is turned off.
Modules linked in:
CPU: 0 UID: 0 PID: 285 Comm: syz-executor.7 Tainted: G B D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Call Trace:
dump_stack_lvl+0xfa/0x120
__schedule_bug+0xb9/0x100
__schedule+0x24f3/0x3590
do_task_dead+0xdc/0x110
make_task_dead+0x373/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f0c51192f87
Code: Unable to access opcode bytes at 0x7f0c51192f5d.
RSP: 002b:00007ffcc2774318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f0c51192f87
RDX: 00007ffcc27743e9 RSI: 000000000000000a RDI: 00007ffcc27743e0
RBP: 00007ffcc27743e0 R08: 00000000ffffffff R09: 00007ffcc27741b0
R10: 000055558b9b0c7b R11: 0000000000000246 R12: 00007f0c511eb105
R13: 00007ffcc27754a0 R14: 000055558b9b0c20 R15: 00007ffcc27754e0
------------[ cut here ]------------
Voluntary context switch within RCU read-side critical section!
WARNING: kernel/rcu/tree_plugin.h:332 at rcu_note_context_switch+0xa96/0x1b00, CPU#0: syz-executor.7/285
Modules linked in:
CPU: 0 UID: 0 PID: 285 Comm: syz-executor.7 Tainted: G B D W 6.17.0-rc3-next-20250829 #1 PREEMPT(voluntary)
Tainted: [B]=BAD_PAGE, [D]=DIE, [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RIP: 0010:rcu_note_context_switch+0xa96/0x1b00
Code: 00 00 00 65 48 8b 3d 41 8c 27 06 e8 84 11 fd ff e9 1a f8 ff ff c6 05 9a 42 e4 04 01 90 48 c7 c7 a0 8a c9 84 e8 0b 39 dd ff 90 <0f> 0b 90 90 e9 3a f6 ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 ea
RSP: 0018:ffff88801b617d38 EFLAGS: 00010082
RAX: 0000000000000000 RBX: ffff88806ce37d00 RCX: ffffffff8139de70
RDX: ffff88800f573700 RSI: ffffffff8139de7e RDI: 0000000000000001
RBP: 0000000000000000 R08: 0000000000000001 R09: ffffed100d9c4801
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88800f573700
R13: 0000000000000000 R14: ffff88800f573700 R15: ffffffff84c5d520
FS: 0000000000000000(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: ffffffff81522048 CR3: 000000000e1c6000 CR4: 0000000000350ef0
Call Trace:
__schedule+0x217/0x3590
do_task_dead+0xdc/0x110
make_task_dead+0x373/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f0c51192f87
Code: Unable to access opcode bytes at 0x7f0c51192f5d.
RSP: 002b:00007ffcc2774318 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6
RAX: 0000000000000000 RBX: 0000000000000007 RCX: 00007f0c51192f87
RDX: 00007ffcc27743e9 RSI: 000000000000000a RDI: 00007ffcc27743e0
RBP: 00007ffcc27743e0 R08: 00000000ffffffff R09: 00007ffcc27741b0
R10: 000055558b9b0c7b R11: 0000000000000246 R12: 00007f0c511eb105
R13: 00007ffcc27754a0 R14: 000055558b9b0c20 R15: 00007ffcc27754e0
irq event stamp: 175734
hardirqs last enabled at (175733): [] ktime_get+0x1c7/0x270
hardirqs last disabled at (175734): [] _raw_spin_lock_irq+0x42/0x50
softirqs last enabled at (175648): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (175453): [] __irq_exit_rcu+0xc4/0x100
---[ end trace 0000000000000000 ]---
----------------
Code disassembly (best guess):
0: 00 00 add %al,(%rax)
2: 0f 1f 00 nopl (%rax)
5: 90 nop
6: 90 nop
7: 90 nop
8: 90 nop
9: 90 nop
a: 90 nop
b: 90 nop
c: 90 nop
d: 90 nop
e: 90 nop
f: 90 nop
10: 90 nop
11: 90 nop
12: 90 nop
13: 90 nop
14: 90 nop
15: 66 0f 1f 00 nopw (%rax)
19: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
20: fc ff df
23: 48 c1 ef 03 shr $0x3,%rdi
27: 48 01 c7 add %rax,%rdi
* 2a: 0f b6 07 movzbl (%rdi),%eax <-- trapping instruction
2d: 3c 07 cmp $0x7,%al
2f: 0f 96 c0 setbe %al
32: e9 7e 15 0e 03 jmpq 0x30e15b5
37: 66 data16
38: 66 data16
39: 2e cs
3a: 0f .byte 0xf
3b: 1f (bad)
3c: 84 00 test %al,(%rax)