Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 396 Comm: kworker/u9:6 Tainted: G W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary)
Tainted: [W]=WARN
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
Workqueue: ext4-rsv-conversion loop_rootcg_workfn
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 ce 4c 0e 03 66 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffff88804685fbe0 EFLAGS: 00010286
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8141b255 RDI: dffffc0000000000
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff8141b255 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020367000 CR3: 000000000d644000 CR4: 0000000000350ef0
Call Trace:
__kasan_check_byte+0x14/0x50
lock_acquire+0xec/0x2f0
process_one_work+0x1295/0x19c0
worker_thread+0x67e/0xe90
kthread+0x3c8/0x740
ret_from_fork+0x34b/0x430
ret_from_fork_asm+0x1a/0x30
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 ce 4c 0e 03 66 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffff88804685fbe0 EFLAGS: 00010286
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8141b255 RDI: dffffc0000000000
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff8141b255 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000020367000 CR3: 000000000d644000 CR4: 0000000000350ef0
kmemleak: Automatic memory scanning thread ended
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#2] SMP KASAN NOPTI
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
CPU: 0 UID: 0 PID: 3763 Comm: systemd-udevd Tainted: G D W 6.17.0-rc4-next-20250901 #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:__queue_work+0x202/0x1240
Code: 48 8b 6d 00 e8 4f ee 79 03 31 ff 41 89 c5 89 c6 e8 c3 02 32 00 45 85 ed 0f 85 e1 05 00 00 e8 85 07 32 00 48 89 e8 48 c1 e8 03 <42> 80 3c 20 00 0f 85 a0 0e 00 00 4c 8b 75 00 48 89 df 4c 89 34 24
RSP: 0018:ffff88800a68f238 EFLAGS: 00010056
RAX: 0000000000000000 RBX: ffff88800c655918 RCX: ffffffff8141ef1d
RDX: ffff88801709d280 RSI: ffffffff8141ef2b RDI: 0000000000000005
RBP: 0000000000000001 R08: 0000000000000000 R09: fffffbfff0f128f4
R10: 0000000000000000 R11: ffff888016434000 R12: dffffc0000000000
R13: 0000000000000000 R14: 0000000000000000 R15: ffff888048f87000
FS: 00007fc83edda8c0(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fee5d749e8 CR3: 0000000013b91000 CR4: 0000000000350ef0
Call Trace:
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
block_read_full_folio+0x405/0x760
filemap_read_folio+0x4a/0x1e0
filemap_get_pages+0x1133/0x18e0
filemap_read+0x388/0xcf0
blkdev_read_iter+0x1a3/0x510
vfs_read+0x868/0xc70
ksys_read+0x121/0x240
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc83f37304e
Code: 0f 1f 40 00 48 8b 15 79 9f 00 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 66 0f 1f 84 00 00 00 00 00 48 83 ec 28
RSP: 002b:00007fffdaccd3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055fee5d749e8 RCX: 00007fc83f37304e
RDX: 0000000000000400 RSI: 000055fee5d749f8 RDI: 0000000000000010
RBP: 000055fee5d67510 R08: 000055fee5d749d0 R09: 00007fc83f359be0
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000400 R14: 000055fee5d749d0 R15: 000055fee5d67560
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 ce 4c 0e 03 66 66 2e 0f 1f 84 00 00 00
RSP: 0018:ffff88804685fbe0 EFLAGS: 00010286
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff8141b255 RDI: dffffc0000000000
RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff8141b255 R14: 0000000000000000 R15: 0000000000000000
FS: 00007fc83edda8c0(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fee5d749e8 CR3: 0000000013b91000 CR4: 0000000000350ef0
note: systemd-udevd[3763] exited with irqs disabled
note: systemd-udevd[3763] exited with preempt_count 1
------------[ cut here ]------------
WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#0: systemd-udevd/3763
Modules linked in:
CPU: 0 UID: 0 PID: 3763 Comm: systemd-udevd Tainted: G D W 6.17.0-rc4-next-20250901 #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 ef b3 38 00 bf 02 24 00 00 e8 f5 ab 0b 00 e9 41 ff ff ff e8 db b3 38 00 90 <0f> 0b 90 e9 87 e4 ff ff e8 cd b3 38 00 4c 89 e6 bf 05 06 00 00 e8
RSP: 0018:ffff88800a68fe40 EFLAGS: 00010293
RAX: 0000000000000000 RBX: 0000000000000200 RCX: ffffffff813b2727
RDX: ffff88801709d280 RSI: ffffffff813b42d5 RDI: ffff88801709e468
RBP: ffff88801709d280 R08: 0000000000000001 R09: fffffbfff0f126d8
R10: 0000000000000200 R11: 0000000000000001 R12: 000000000000000b
R13: 0000000000002710 R14: dffffc0000000000 R15: 0000000000000000
FS: 00007fc83edda8c0(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055fee5d749e8 CR3: 0000000013b91000 CR4: 0000000000350ef0
Call Trace:
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7fc83f37304e
Code: 0f 1f 40 00 48 8b 15 79 9f 00 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 66 0f 1f 84 00 00 00 00 00 48 83 ec 28
RSP: 002b:00007fffdaccd3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055fee5d749e8 RCX: 00007fc83f37304e
RDX: 0000000000000400 RSI: 000055fee5d749f8 RDI: 0000000000000010
RBP: 000055fee5d67510 R08: 000055fee5d749d0 R09: 00007fc83f359be0
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000400 R14: 000055fee5d749d0 R15: 000055fee5d67560
irq event stamp: 51378
hardirqs last enabled at (51377): [] _raw_write_unlock_irq+0x23/0x40
hardirqs last disabled at (51378): [] __schedule+0x16dd/0x3590
softirqs last enabled at (50470): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (50387): [] __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: 3763, name: systemd-udevd
preempt_count: 0, expected: 0
RCU nest depth: 2, expected: 0
INFO: lockdep is turned off.
CPU: 0 UID: 0 PID: 3763 Comm: systemd-udevd Tainted: G D W 6.17.0-rc4-next-20250901 #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: 0033:0x7fc83f37304e
Code: 0f 1f 40 00 48 8b 15 79 9f 00 00 f7 d8 64 89 02 48 c7 c0 ff ff ff ff eb ba 0f 1f 00 64 8b 04 25 18 00 00 00 85 c0 75 14 0f 05 <48> 3d 00 f0 ff ff 77 5a c3 66 0f 1f 84 00 00 00 00 00 48 83 ec 28
RSP: 002b:00007fffdaccd3d8 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 000055fee5d749e8 RCX: 00007fc83f37304e
RDX: 0000000000000400 RSI: 000055fee5d749f8 RDI: 0000000000000010
RBP: 000055fee5d67510 R08: 000055fee5d749d0 R09: 00007fc83f359be0
R10: 0000000000000008 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000400 R14: 000055fee5d749d0 R15: 000055fee5d67560
----------------
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 ce 4c 0e 03 jmpq 0x30e4d05
37: 66 data16
38: 66 data16
39: 2e cs
3a: 0f .byte 0xf
3b: 1f (bad)
3c: 84 00 test %al,(%rax)