loop3: detected capacity change from 0 to 16383
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: 3987 Comm: syz-executor.3 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
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
loop2: detected capacity change from 0 to 16383
RSP: 0018:ffff8880184872e8 EFLAGS: 00010086
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff84be2f4b RDI: fe001bea7e001fed
RBP: f000ff53f000ff6b R08: 0000000000000001 R09: 0000000000000000
R10: ffff888008cd5003 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff84be2f4b R14: 0000000000000000 R15: ffff888016dce800
FS: 00007f9d983da700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9d983db000 CR3: 000000000a197000 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
ext4_read_bh+0x15a/0x2e0
ext4_read_bh_lock+0x7a/0xd0
ext4_sb_bread_unmovable+0x172/0x260
ext4_fill_super+0x662/0xba20
get_tree_bdev_flags+0x38a/0x620
vfs_get_tree+0x93/0x340
path_mount+0x132d/0x1dd0
__x64_sys_mount+0x27b/0x300
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f9d9ae6604a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 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:00007f9d983d9fa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f9d9ae6604a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f9d983da000
RBP: 00007f9d983da040 R08: 00007f9d983da040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007f9d983da000 R15: 0000000020010f60
Modules linked in:
---[ end trace 0000000000000000 ]---
Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#2] SMP KASAN NOPTI
RIP: 0010:kasan_byte_accessible+0x15/0x30
KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007]
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
CPU: 1 UID: 0 PID: 3993 Comm: syz-executor.2 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary)
RSP: 0018:ffff8880184872e8 EFLAGS: 00010086
Tainted: [D]=DIE, [W]=WARN
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014
RDX: 0000000000000000 RSI: ffffffff84be2f4b RDI: fe001bea7e001fed
RIP: 0010:__queue_work+0x202/0x1240
RBP: f000ff53f000ff6b R08: 0000000000000001 R09: 0000000000000000
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
R10: ffff888008cd5003 R11: 0000000000000001 R12: 0000000000000000
RSP: 0018:ffff8880465c7398 EFLAGS: 00010056
R13: ffffffff84be2f4b R14: 0000000000000000 R15: ffff888016dce800
RAX: 0000000000000000 RBX: ffff88801cf7b818 RCX: ffffc9000229b000
FS: 00007f9d983da700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
RDX: 0000000000040000 RSI: ffffffff8141ef2b RDI: 0000000000000005
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
RBP: 0000000000000000 R08: 0000000000000000 R09: fffffbfff0f128f4
CR2: 00007f9d983db000 CR3: 000000000a197000 CR4: 0000000000350ef0
R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000
note: syz-executor.3[3987] exited with irqs disabled
R13: 0000000000000000 R14: 0000000000000001 R15: ffff888016e62000
FS: 00007fc3c56ce700(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000
note: syz-executor.3[3987] exited with preempt_count 2
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc3c56cf000 CR3: 0000000007127000 CR4: 0000000000350ef0
------------[ cut here ]------------
Call Trace:
WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#0: syz-executor.3/3987
queue_work_on+0xd0/0xe0
Modules linked in:
loop_queue_rq+0x5c8/0x1180
CPU: 0 UID: 0 PID: 3987 Comm: syz-executor.3 Tainted: G D W 6.17.0-rc4-next-20250901 #1 PREEMPT(voluntary)
__blk_mq_issue_directly+0xd5/0x260
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
blk_mq_request_issue_directly+0x11c/0x1e0
RSP: 0018:ffff888018487e40 EFLAGS: 00010246
blk_mq_issue_direct+0x192/0x640
RAX: 0000000000040000 RBX: 0000000000000200 RCX: ffffc900030a2000
blk_mq_dispatch_queue_requests+0x4b0/0x7c0
RDX: 0000000000040000 RSI: ffffffff813b42d5 RDI: ffff88801b37ad68
blk_mq_flush_plug_list+0x1ec/0x5b0
RBP: ffff88801b379b80 R08: 0000000000000001 R09: fffffbfff0f126d8
R10: 0000000000000200 R11: 7973203a65746f6e R12: 000000000000000b
R13: 0000000000002710 R14: fe001bea7e001fed R15: 0000000000000000
FS: 00007f9d983da700(0000) GS:ffff8880e55d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f9d983db000 CR3: 000000000a197000 CR4: 0000000000350ef0
__blk_flush_plug+0x25c/0x460
Call Trace:
__submit_bio+0x480/0x5b0
make_task_dead+0x174/0x3b0
submit_bio_noacct_nocheck+0x68e/0xcb0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7f9d9ae6604a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 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:00007f9d983d9fa8 EFLAGS: 00000206
submit_bio_noacct+0x359/0x1350
ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007f9d9ae6604a
ext4_read_bh+0x15a/0x2e0
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007f9d983da000
ext4_read_bh_lock+0x7a/0xd0
RBP: 00007f9d983da040 R08: 00007f9d983da040 R09: 0000000020000000
ext4_sb_bread_unmovable+0x172/0x260
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
ext4_fill_super+0x662/0xba20
R13: 0000000020000100 R14: 00007f9d983da000 R15: 0000000020010f60
irq event stamp: 392
hardirqs last enabled at (391): [] ktime_get+0x1c7/0x270
hardirqs last disabled at (392): [] _raw_spin_lock_irq+0x42/0x50
softirqs last enabled at (316): [] kernel_fpu_end+0x59/0x70
softirqs last disabled at (314): [] kernel_fpu_begin_mask+0x1b7/0x290
---[ end trace 0000000000000000 ]---
loop6: detected capacity change from 0 to 16383
get_tree_bdev_flags+0x38a/0x620
vfs_get_tree+0x93/0x340
path_mount+0x132d/0x1dd0
__x64_sys_mount+0x27b/0x300
do_syscall_64+0xbf/0x360
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc3c815a04a
EXT4-fs (loop6): ext4_check_descriptors: Block bitmap for group 0 not in group (block 0)!
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 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
EXT4-fs (loop6): group descriptors corrupted!
RSP: 002b:00007fc3c56cdfa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fc3c815a04a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fc3c56ce000
RBP: 00007fc3c56ce040 R08: 00007fc3c56ce040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007fc3c56ce000 R15: 0000000020010f60
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:ffff8880184872e8 EFLAGS: 00010086
RAX: dffffc0000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: ffffffff84be2f4b RDI: fe001bea7e001fed
RBP: f000ff53f000ff6b R08: 0000000000000001 R09: 0000000000000000
R10: ffff888008cd5003 R11: 0000000000000001 R12: 0000000000000000
R13: ffffffff84be2f4b R14: 0000000000000000 R15: ffff888016dce800
FS: 00007fc3c56ce700(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc3c56cf000 CR3: 0000000007127000 CR4: 0000000000350ef0
note: syz-executor.2[3993] exited with irqs disabled
note: syz-executor.2[3993] exited with preempt_count 1
------------[ cut here ]------------
WARNING: kernel/exit.c:898 at do_exit+0x1c36/0x2970, CPU#1: syz-executor.2/3993
Modules linked in:
CPU: 1 UID: 0 PID: 3993 Comm: syz-executor.2 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:ffff8880465c7e40 EFLAGS: 00010246
RAX: 0000000000040000 RBX: 0000000000000200 RCX: ffffc9000229b000
RDX: 0000000000040000 RSI: ffffffff813b42d5 RDI: ffff88801b37e468
RBP: ffff88801b37d280 R08: 0000000000000001 R09: fffffbfff0f126d8
R10: 0000000000000200 R11: 0000000000000001 R12: 000000000000000b
R13: 0000000000002710 R14: dffffc0000000000 R15: 0000000000000000
FS: 00007fc3c56ce700(0000) GS:ffff8880e56d8000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fc3c56cf000 CR3: 0000000007127000 CR4: 0000000000350ef0
Call Trace:
make_task_dead+0x174/0x3b0
rewind_stack_and_make_dead+0x16/0x20
RIP: 0033:0x7fc3c815a04a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 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:00007fc3c56cdfa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fc3c815a04a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fc3c56ce000
RBP: 00007fc3c56ce040 R08: 00007fc3c56ce040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007fc3c56ce000 R15: 0000000020010f60
irq event stamp: 0
hardirqs last enabled at (0): [<0000000000000000>] 0x0
hardirqs last disabled at (0): [] copy_process+0x1e08/0x73c0
softirqs last enabled at (0): [] copy_process+0x1e58/0x73c0
softirqs last disabled at (0): [<0000000000000000>] 0x0
---[ 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: 3993, name: syz-executor.2
preempt_count: 0, expected: 0
RCU nest depth: 2, expected: 0
INFO: lockdep is turned off.
CPU: 1 UID: 0 PID: 3993 Comm: syz-executor.2 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: 0033:0x7fc3c815a04a
Code: 48 c7 c2 bc ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 b8 04 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 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:00007fc3c56cdfa8 EFLAGS: 00000206 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 0000000020000200 RCX: 00007fc3c815a04a
RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007fc3c56ce000
RBP: 00007fc3c56ce040 R08: 00007fc3c56ce040 R09: 0000000020000000
R10: 0000000000000000 R11: 0000000000000206 R12: 0000000020000000
R13: 0000000020000100 R14: 00007fc3c56ce000 R15: 0000000020010f60
UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list
----------------
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)