Kernel panic - not syncing: stack-protector: Kernel stack is corrupted in: __schedule+0x143d/0x40d0 kernel/sched/core.c:-1
CPU: 1 PID: 4471 Comm: syz-executor391 Not tainted 6.1.141-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
<TASK>
dump_stack_lvl+0x168/0x22e lib/dump_stack.c:106
panic+0x2c9/0x710 kernel/panic.c:339
__stack_chk_fail+0x10/0x10 kernel/panic.c:767
__schedule+0x143d/0x40d0 kernel/sched/core.c:-1
preempt_schedule_irq+0xb1/0x150 kernel/sched/core.c:6873
irqentry_exit+0x63/0x70 kernel/entry/common.c:439
asm_sysvec_reschedule_ipi+0x16/0x20 arch/x86/include/asm/idtentry.h:696
RIP: 0010:page_ref_add_unless include/linux/page_ref.h:238 [inline]
RIP: 0010:folio_ref_add_unless include/linux/page_ref.h:247 [inline]
RIP: 0010:folio_ref_try_add_rcu include/linux/page_ref.h:280 [inline]
RIP: 0010:folio_try_get_rcu include/linux/page_ref.h:313 [inline]
RIP: 0010:filemap_get_read_batch+0x233/0xa60 mm/filemap.c:2451
Code: f3 0f 87 da 06 00 00 4c 89 ee 48 83 e6 02 0f 94 c3 31 ff e8 bf 30 d4 ff 49 81 fd fe 00 00 00 0f 93 c0 08 d8 0f 84 be 06 00 00 <49> 8d 5d 34 48 89 df be 04 00 00 00 e8 1c a7 25 00 48 89 d8 48 c1
RSP: 0018:ffffc90003fc6800 EFLAGS: 00000202
RAX: ffffffff81aca901 RBX: 0000000000000001 RCX: ffff888079abbb80
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: ffffc90003fc6910 R08: ffff888079abbb80 R09: 0000000000000002
R10: 0000000000000406 R11: 0000000000000000 R12: ffffc90003fc6860
R13: ffffea0001b9d840 R14: 0000000000000000 R15: dffffc0000000000
filemap_get_pages mm/filemap.c:2667 [inline]
filemap_read+0x61a/0x2f80 mm/filemap.c:2759
generic_file_read_iter+0x115/0x670 mm/filemap.c:2914
__kernel_read+0x2dc/0x6b0 fs/read_write.c:428
integrity_kernel_read+0x86/0xd0 security/integrity/iint.c:228
ima_calc_file_hash_tfm security/integrity/ima/ima_crypto.c:485 [inline]
ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline]
ima_calc_file_hash+0x96b/0x17c0 security/integrity/ima/ima_crypto.c:573
ima_collect_measurement+0x4b3/0xac0 security/integrity/ima/ima_api.c:293
process_measurement+0xfae/0x1a10 security/integrity/ima/ima_main.c:351
ima_file_check+0xc2/0x100 security/integrity/ima/ima_main.c:534
do_open fs/namei.c:3628 [inline]
path_openat+0x2679/0x2e70 fs/namei.c:3783
do_filp_open+0x1c1/0x3c0 fs/namei.c:3810
do_sys_openat2+0x142/0x490 fs/open.c:1318
do_sys_open fs/open.c:1334 [inline]
__do_sys_openat fs/open.c:1350 [inline]
__se_sys_openat fs/open.c:1345 [inline]
__x64_sys_openat+0x135/0x160 fs/open.c:1345
do_syscall_x64 arch/x86/entry/common.c:51 [inline]
do_syscall_64+0x4c/0xa0 arch/x86/entry/common.c:81
entry_SYSCALL_64_after_hwframe+0x68/0xd2
RIP: 0033:0x7fcd62489009
Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 81 1d 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcd61c19168 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fcd6252a6f8 RCX: 00007fcd62489009
RDX: 0000000000143042 RSI: 00002000000000c0 RDI: 00000000ffffff9c
RBP: 00007fcd6252a6f0 R08: 00007fcd61c196c0 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00007fcd6252a6fc
R13: 000000000000006e R14: 00007ffd4fb26b80 R15: 00007ffd4fb26c68
</TASK>
Kernel Offset: disabled
Rebooting in 86400 seconds..
----------------
Code disassembly (best guess):
0: f3 0f 87 da 06 00 00 repz ja 0x6e1
7: 4c 89 ee mov %r13,%rsi
a: 48 83 e6 02 and $0x2,%rsi
e: 0f 94 c3 sete %bl
11: 31 ff xor %edi,%edi
13: e8 bf 30 d4 ff call 0xffd430d7
18: 49 81 fd fe 00 00 00 cmp $0xfe,%r13
1f: 0f 93 c0 setae %al
22: 08 d8 or %bl,%al
24: 0f 84 be 06 00 00 je 0x6e8
* 2a: 49 8d 5d 34 lea 0x34(%r13),%rbx <-- trapping instruction
2e: 48 89 df mov %rbx,%rdi
31: be 04 00 00 00 mov $0x4,%esi
36: e8 1c a7 25 00 call 0x25a757
3b: 48 89 d8 mov %rbx,%rax
3e: 48 rex.W
3f: c1 .byte 0xc1