loop3: detected capacity change from 0 to 264192
Oops: general protection fault, probably for non-canonical address 0xdffffc0022dacec0: 0000 [#1] SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x0000000116d67600-0x0000000116d67607]
CPU: 0 UID: 0 PID: 3992 Comm: syz-executor.3 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:__queue_work+0x202/0x1240
Code: 48 8b 6d 00 e8 4f 9e 79 03 31 ff 41 89 c5 89 c6 e8 93 f3 31 00 45 85 ed 0f 85 e1 05 00 00 e8 55 f8 31 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:ffff888016ddeec0 EFLAGS: 00010016
RAX: 0000000022dacec0 RBX: ffff88801e033718 RCX: ffffc900036a5000
RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005
RBP: 0000000116d67600 R08: 0000000000000001 R09: fffffbfff0f11ef4
R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffff888016cc2800
FS: 00007f6c08814700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8f90e369e8 CR3: 0000000016f7c000 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+0x457/0x760
filemap_read_folio+0x4a/0x1e0
do_read_cache_folio+0x1d6/0x500
read_part_sector+0xd1/0x2f0
read_lba+0x1b8/0x380
efi_partition+0x281/0x28e0
bdev_disk_changed+0x78b/0x1440
loop_reread_partitions+0x70/0x140
loop_set_status+0x697/0xa80
lo_ioctl+0x17b/0x1c70
blkdev_ioctl+0x27c/0x6c0
__x64_sys_ioctl+0x18f/0x210
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f6c0b29e8d7
Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 54 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 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:00007f6c08813ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6c08813f40 RCX: 00007f6c0b29e8d7
RDX: 00007f6c08814050 RSI: 0000000000004c04 RDI: 0000000000000005
RBP: 00007f6c0b2f8f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6c08814050
R13: 00007ffcda481dff R14: 00007f6c08814300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__queue_work+0x202/0x1240
Code: 48 8b 6d 00 e8 4f 9e 79 03 31 ff 41 89 c5 89 c6 e8 93 f3 31 00 45 85 ed 0f 85 e1 05 00 00 e8 55 f8 31 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:ffff888016ddeec0 EFLAGS: 00010016
RAX: 0000000022dacec0 RBX: ffff88801e033718 RCX: ffffc900036a5000
RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005
RBP: 0000000116d67600 R08: 0000000000000001 R09: fffffbfff0f11ef4
R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffff888016cc2800
FS: 00007f6c08814700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8f90e369e8 CR3: 0000000016f7c000 CR4: 0000000000350ef0
note: syz-executor.3[3992] exited with irqs disabled
note: syz-executor.3[3992] exited with preempt_count 1
------------[ cut here ]------------
WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#0: syz-executor.3/3992
Modules linked in:
CPU: 0 UID: 0 PID: 3992 Comm: syz-executor.3 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:ffff888016ddfe40 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000200 RCX: ffffc900036a5000
RDX: 0000000000040000 RSI: ffffffff813b42d5 RDI: ffff8880218391e8
RBP: ffff888021838000 R08: 0000000000000001 R09: fffffbfff0f11cd8
R10: 0000000000000200 R11: 0000000000000001 R12: 000000000000000b
R13: 0000000000002710 R14: dffffc0022dacec0 R15: 0000000000000000
FS: 00007f6c08814700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f8f90e369e8 CR3: 0000000016f7c000 CR4: 0000000000350ef0
Call Trace:
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f6c0b29e8d7
Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 54 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 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:00007f6c08813ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6c08813f40 RCX: 00007f6c0b29e8d7
RDX: 00007f6c08814050 RSI: 0000000000004c04 RDI: 0000000000000005
RBP: 00007f6c0b2f8f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6c08814050
R13: 00007ffcda481dff R14: 00007f6c08814300 R15: 0000000000022000
irq event stamp: 1584
hardirqs last enabled at (1583): [] _raw_spin_unlock_irqrestore+0x2c/0x50
hardirqs last disabled at (1584): [] _raw_spin_lock_irq+0x42/0x50
softirqs last enabled at (1494): [] handle_softirqs+0x50c/0x770
softirqs last disabled at (1199): [] __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: 3992, name: syz-executor.3
preempt_count: 0, expected: 0
RCU nest depth: 2, expected: 0
INFO: lockdep is turned off.
CPU: 0 UID: 0 PID: 3992 Comm: syz-executor.3 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: 0033:0x7f6c0b29e8d7
Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 a4 54 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 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:00007f6c08813ef8 EFLAGS: 00000202 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00007f6c08813f40 RCX: 00007f6c0b29e8d7
RDX: 00007f6c08814050 RSI: 0000000000004c04 RDI: 0000000000000005
RBP: 00007f6c0b2f8f6d R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000202 R12: 00007f6c08814050
R13: 00007ffcda481dff R14: 00007f6c08814300 R15: 0000000000022000
Oops: general protection fault, probably for non-canonical address 0xdffffc00012c967e: 0000 [#2] SMP KASAN NOPTI
KASAN: probably user-memory-access in range [0x000000000964b3f0-0x000000000964b3f7]
CPU: 0 UID: 0 PID: 3974 Comm: syz-executor.1 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:perf_tp_event+0x175/0xe70
Code: ff df 48 89 85 a8 fd ff ff 48 c1 e8 03 4c 01 e0 48 89 85 c8 fd ff ff e8 c9 51 ea ff 48 8d bb f0 01 00 00 48 89 f8 48 c1 e8 03 <42> 0f b6 04 20 84 c0 74 08 3c 03 0f 8e c5 0b 00 00 44 8b ab f0 01
RSP: 0018:ffff88806ce08680 EFLAGS: 00010016
RAX: 00000000012c967e RBX: 000000000964b200 RCX: 0000000000000002
RDX: ffff888016ae1b80 RSI: ffffffff818995b7 RDI: 000000000964b3f0
RBP: ffff88806ce088f0 R08: ffff88806ce313e8 R09: ffffe8ffffc15a30
R10: 0000000000000000 R11: 000000000000002c R12: dffffc0000000000
R13: 000000000000002c R14: ffff88806ce313e8 R15: dffffc0000000000
FS: 00007fe9d4cf3700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe3ec1f3718 CR3: 000000001e321000 CR4: 0000000000350ef0
Call Trace:
perf_trace_run_bpf_submit+0xef/0x180
perf_trace_lock_acquire+0x3c2/0x700
lock_acquire+0xc5/0x2f0
_raw_spin_lock_irqsave+0x3a/0x60
__folio_end_writeback+0x791/0xae0
folio_end_writeback+0x11f/0x430
ext4_finish_bio+0x709/0x940
ext4_end_bio+0x14b/0x580
bio_endio+0x5ad/0x6b0
blk_update_request+0x2c5/0x1060
scsi_end_request+0x7a/0xa00
scsi_io_completion+0xbf/0x1640
scsi_complete+0x114/0x380
blk_complete_reqs+0xb2/0xf0
handle_softirqs+0x1b1/0x770
__irq_exit_rcu+0xc4/0x100
irq_exit_rcu+0x9/0x20
common_interrupt+0xbd/0xd0
asm_common_interrupt+0x26/0x40
RIP: 0010:finish_task_switch.isra.0+0x20f/0x840
Code: 4c 89 ff 48 c7 03 00 00 00 00 e8 dc ee 76 03 4d 85 e4 75 ba 4c 89 ff e8 3f d5 76 03 e8 fa 1e 35 00 fb 65 48 8b 1d 99 22 3d 06 <48> 8d bb f0 14 00 00 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1
RSP: 0018:ffff88801eb7f938 EFLAGS: 00000246
RAX: 0000000000000001 RBX: ffff888016ae1b80 RCX: ffffffff817c2b86
RDX: 0000000000000000 RSI: 0000000000000008 RDI: ffffffff81470d76
RBP: ffff88801eb7f978 R08: 0000000000000000 R09: 0000000000000000
R10: ffffffff8643ac57 R11: 0000000000000024 R12: ffff88806ce36ed8
R13: ffff88804600b700 R14: ffff8880095db700 R15: ffff88806ce36ec0
__schedule+0xe86/0x3590
schedule+0xdb/0x390
futex_do_wait+0x88/0x180
__futex_wait+0x176/0x300
futex_wait+0xde/0x380
do_futex+0x2ee/0x370
__x64_sys_futex+0x1c9/0x4d0
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe9d777db19
Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 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 bc ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fe9d4cf3218 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca
RAX: ffffffffffffffda RBX: 00007fe9d7890f68 RCX: 00007fe9d777db19
RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007fe9d7890f68
RBP: 00007fe9d7890f60 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fe9d7890f6c
R13: 00007ffc1dc8e78f R14: 00007fe9d4cf3300 R15: 0000000000022000
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:__queue_work+0x202/0x1240
Code: 48 8b 6d 00 e8 4f 9e 79 03 31 ff 41 89 c5 89 c6 e8 93 f3 31 00 45 85 ed 0f 85 e1 05 00 00 e8 55 f8 31 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:ffff888016ddeec0 EFLAGS: 00010016
RAX: 0000000022dacec0 RBX: ffff88801e033718 RCX: ffffc900036a5000
RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005
RBP: 0000000116d67600 R08: 0000000000000001 R09: fffffbfff0f11ef4
R10: 0000000000000001 R11: 0000000000000001 R12: dffffc0000000000
R13: 0000000000000001 R14: 0000000000000000 R15: ffff888016cc2800
FS: 00007fe9d4cf3700(0000) GS:ffff8880e55dd000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe3ec1f3718 CR3: 000000001e321000 CR4: 0000000000350ef0
----------------
Code disassembly (best guess):
0: 48 8b 6d 00 mov 0x0(%rbp),%rbp
4: e8 4f 9e 79 03 callq 0x3799e58
9: 31 ff xor %edi,%edi
b: 41 89 c5 mov %eax,%r13d
e: 89 c6 mov %eax,%esi
10: e8 93 f3 31 00 callq 0x31f3a8
15: 45 85 ed test %r13d,%r13d
18: 0f 85 e1 05 00 00 jne 0x5ff
1e: e8 55 f8 31 00 callq 0x31f878
23: 48 89 e8 mov %rbp,%rax
26: 48 c1 e8 03 shr $0x3,%rax
* 2a: 42 80 3c 20 00 cmpb $0x0,(%rax,%r12,1) <-- trapping instruction
2f: 0f 85 a0 0e 00 00 jne 0xed5
35: 4c 8b 75 00 mov 0x0(%rbp),%r14
39: 48 89 df mov %rbx,%rdi
3c: 4c 89 34 24 mov %r14,(%rsp)