Oops: general protection fault, probably for non-canonical address 0xe7ffed1c347b351d: 0000 [#1] SMP KASAN PTI
KASAN: maybe wild-memory-access in range [0x3fff88e1a3d9a8e8-0x3fff88e1a3d9a8ef]
CPU: 0 UID: 0 PID: 5932 Comm: syz.4.9 Not tainted 6.14.0-syzkaller-09584-g7d06015d936c #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025
RIP: 0010:cgroup_rstat_push_children kernel/cgroup/rstat.c:165 [inline]
RIP: 0010:cgroup_rstat_updated_list kernel/cgroup/rstat.c:245 [inline]
RIP: 0010:cgroup_rstat_flush+0x865/0x1fa0 kernel/cgroup/rstat.c:321
Code: 00 74 08 48 89 df e8 ca 0e 6d 00 4c 8b 3b 4f 8d 24 2f 49 81 c4 a0 00 00 00 4d 89 e6 49 c1 ee 03 48 b8 00 00 00 00 00 fc ff df <41> 80 3c 06 00 74 08 4c 89 e7 e8 9c 0e 6d 00 4d 01 ef 4d 8b 2c 24
RSP: 0018:ffffc9000454f380 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: ffffffff8e774b90 RCX: 0000000000080000
RDX: ffffc9000d734000 RSI: 0000000000038299 RDI: ffff88802adfe5c1
RBP: ffffc9000454f590 R08: ffffffff81bc21df R09: 1ffffffff20bc0ae
R10: dffffc0000000000 R11: fffffbfff20bc0af R12: 3fff88e1a3d9a8e9
R13: 400000607edac849 R14: 07fff11c347b351d R15: ffff888124fee000
FS: 00007f89286926c0(0000) GS:ffff888124fee000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055592e7364f8 CR3: 000000007e230000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
<TASK>
zswap_shrinker_count+0x235/0x5d0 mm/zswap.c:1272
do_shrink_slab+0x84/0x1140 mm/shrinker.c:384
shrink_slab+0x1097/0x14e0 mm/shrinker.c:664
drop_slab_node mm/vmscan.c:421 [inline]
drop_slab+0x142/0x280 mm/vmscan.c:439
drop_caches_sysctl_handler+0xbc/0x160 fs/drop_caches.c:68
proc_sys_call_handler+0x60a/0x950 fs/proc/proc_sysctl.c:601
do_iter_readv_writev+0x71f/0x9d0 fs/read_write.c:-1
vfs_writev+0x38d/0xbc0 fs/read_write.c:1055
do_writev+0x1b8/0x360 fs/read_write.c:1101
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f892778d169
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 a8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007f8928692038 EFLAGS: 00000246 ORIG_RAX: 0000000000000014
RAX: ffffffffffffffda RBX: 00007f89279a5fa0 RCX: 00007f892778d169
RDX: 0000000000000001 RSI: 00002000000000c0 RDI: 0000000000000003
RBP: 00007f892780e2a0 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f89279a5fa0 R15: 00007ffe6544ecc8
</TASK>
Modules linked in:
---[ end trace 0000000000000000 ]---
RIP: 0010:cgroup_rstat_push_children kernel/cgroup/rstat.c:165 [inline]
RIP: 0010:cgroup_rstat_updated_list kernel/cgroup/rstat.c:245 [inline]
RIP: 0010:cgroup_rstat_flush+0x865/0x1fa0 kernel/cgroup/rstat.c:321
Code: 00 74 08 48 89 df e8 ca 0e 6d 00 4c 8b 3b 4f 8d 24 2f 49 81 c4 a0 00 00 00 4d 89 e6 49 c1 ee 03 48 b8 00 00 00 00 00 fc ff df <41> 80 3c 06 00 74 08 4c 89 e7 e8 9c 0e 6d 00 4d 01 ef 4d 8b 2c 24
RSP: 0018:ffffc9000454f380 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: ffffffff8e774b90 RCX: 0000000000080000
RDX: ffffc9000d734000 RSI: 0000000000038299 RDI: ffff88802adfe5c1
RBP: ffffc9000454f590 R08: ffffffff81bc21df R09: 1ffffffff20bc0ae
R10: dffffc0000000000 R11: fffffbfff20bc0af R12: 3fff88e1a3d9a8e9
R13: 400000607edac849 R14: 07fff11c347b351d R15: ffff888124fee000
FS: 00007f89286926c0(0000) GS:ffff888124fee000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055592e7364f8 CR3: 000000007e230000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
----------------
Code disassembly (best guess):
0: 00 74 08 48 add %dh,0x48(%rax,%rcx,1)
4: 89 df mov %ebx,%edi
6: e8 ca 0e 6d 00 call 0x6d0ed5
b: 4c 8b 3b mov (%rbx),%r15
e: 4f 8d 24 2f lea (%r15,%r13,1),%r12
12: 49 81 c4 a0 00 00 00 add $0xa0,%r12
19: 4d 89 e6 mov %r12,%r14
1c: 49 c1 ee 03 shr $0x3,%r14
20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax
27: fc ff df
* 2a: 41 80 3c 06 00 cmpb $0x0,(%r14,%rax,1) <-- trapping instruction
2f: 74 08 je 0x39
31: 4c 89 e7 mov %r12,%rdi
34: e8 9c 0e 6d 00 call 0x6d0ed5
39: 4d 01 ef add %r13,%r15
3c: 4d 8b 2c 24 mov (%r12),%r13