------------[ cut here ]------------
WARNING: CPU: 1 PID: 18423 at kernel/rcu/tree_stall.h:933 rcu_check_gp_start_stall+0x2c5/0x440 kernel/rcu/tree_stall.h:918
Modules linked in:
CPU: 1 PID: 18423 Comm: syz-executor.3 Tainted: G S 5.18.0-rc3-syzkaller-00235-g22da5264abf4 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:rcu_check_gp_start_stall+0x2c5/0x440 kernel/rcu/tree_stall.h:933
Code: c7 c7 00 f4 bb 90 be 04 00 00 00 e8 05 96 66 00 b8 01 00 00 00 87 05 ea a3 4b 0f 85 c0 0f 85 1e ff ff ff 48 c7 c0 80 f7 b1 8c <0f> 0b 49 39 c7 74 46 48 c7 c0 74 f8 00 8e 48 c1 e8 03 42 8a 04 20
RSP: 0018:ffffc90000de0bf8 EFLAGS: 00010046
RAX: ffffffff8cb1f780 RBX: 000000010001360e RCX: ffffffff8170500b
RDX: 0000000000000001 RSI: 0000000000000004 RDI: ffffffff90bbf400
RBP: ffffc90000de0e30 R08: dffffc0000000000 R09: fffffbfff2177e80
R10: fffffbfff2177e81 R11: 1ffffffff2177e80 R12: dffffc0000000000
R13: ffff8880b9b3aac0 R14: 0000000000000246 R15: ffffffff8cb1f780
FS: 00005555558ae400(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00005555558b7848 CR3: 000000007e279000 CR4: 00000000003506e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
rcu_core+0x67a/0x16d0 kernel/rcu/tree.c:2781
__do_softirq+0x382/0x793 kernel/softirq.c:558
__irq_exit_rcu+0xec/0x170 kernel/softirq.c:637
irq_exit_rcu+0x5/0x20 kernel/softirq.c:649
sysvec_apic_timer_interrupt+0x91/0xb0 arch/x86/kernel/apic/apic.c:1097
asm_sysvec_apic_timer_interrupt+0x12/0x20
RIP: 0010:bytes_is_nonzero mm/kasan/generic.c:85 [inline]
RIP: 0010:memory_is_nonzero mm/kasan/generic.c:102 [inline]
RIP: 0010:memory_is_poisoned_n mm/kasan/generic.c:128 [inline]
RIP: 0010:memory_is_poisoned mm/kasan/generic.c:159 [inline]
RIP: 0010:check_region_inline mm/kasan/generic.c:180 [inline]
RIP: 0010:kasan_check_range+0x84/0x2e0 mm/kasan/generic.c:189
Code: da 4d 89 d6 4d 29 ce 49 83 fe 10 7f 30 4d 85 f6 0f 84 8e 01 00 00 4c 89 cb 4c 29 d3 66 2e 0f 1f 84 00 00 00 00 00 41 80 39 00 <0f> 85 e7 01 00 00 49 ff c1 48 ff c3 75 ee e9 67 01 00 00 44 89 cd
RSP: 0018:ffffc900043b74b8 EFLAGS: 00000246
RAX: ffffffff81b87101 RBX: fffffffffffffffc RCX: ffffffff81b8717f
RDX: 0000000000000001 RSI: 0000000000000028 RDI: ffffc900043b75c0
RBP: 000000000001ffff R08: dffffc0000000000 R09: fffff52000876eb9
R10: fffff52000876ebd R11: 1ffff92000876eb8 R12: dffffc0000000000
R13: dffffc0000000000 R14: 0000000000000005 R15: ffff88801bc4c000
memset+0x1f/0x40 mm/kasan/shadow.c:44
shrink_lruvec+0xbf/0xd10 mm/vmscan.c:2870
shrink_node_memcgs+0x358/0x6f0 mm/vmscan.c:3098
shrink_node+0xe6b/0x2020 mm/vmscan.c:3221
shrink_zones+0x4fb/0xc40 mm/vmscan.c:3458
do_try_to_free_pages+0x1e4/0xcd0 mm/vmscan.c:3516
try_to_free_mem_cgroup_pages+0x3bd/0x6b0 mm/vmscan.c:3830
reclaim_high+0x1f4/0x280 mm/memcontrol.c:2325
mem_cgroup_handle_over_high+0x145/0x2b0 mm/memcontrol.c:2509
resume_user_mode_work include/linux/resume_user_mode.h:58 [inline]
exit_to_user_mode_loop+0xa9/0x160 kernel/entry/common.c:169
exit_to_user_mode_prepare+0xad/0x110 kernel/entry/common.c:201
__syscall_exit_to_user_mode_work kernel/entry/common.c:283 [inline]
syscall_exit_to_user_mode+0x2e/0x70 kernel/entry/common.c:294
entry_SYSCALL_64_after_hwframe+0x44/0xae
RIP: 0033:0x7f9993288186
Code: ff ff ff 64 c7 00 16 00 00 00 b8 ff ff ff ff c3 0f 1f 40 00 41 89 f8 48 89 f7 48 89 d6 41 83 f8 01 77 29 b8 06 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 02 c3 90 48 c7 c2 b8 ff ff ff f7 d8 64 89 02
RSP: 002b:00007ffc49e37058 EFLAGS: 00000246 ORIG_RAX: 0000000000000006
RAX: 0000000000000000 RBX: 0000000000000272 RCX: 00007f9993288186
RDX: 00007ffc49e37090 RSI: 00007ffc49e37090 RDI: 00007ffc49e37120
RBP: 00007ffc49e37120 R08: 0000000000000001 R09: 00007ffc49e36ef0
R10: 00005555558af853 R11: 0000000000000246 R12: 00007f99932e21f8
R13: 00007ffc49e381e0 R14: 00005555558af810 R15: 00007ffc49e38220
----------------
Code disassembly (best guess), 1 bytes skipped:
0: 4d 89 d6 mov %r10,%r14
3: 4d 29 ce sub %r9,%r14
6: 49 83 fe 10 cmp $0x10,%r14
a: 7f 30 jg 0x3c
c: 4d 85 f6 test %r14,%r14
f: 0f 84 8e 01 00 00 je 0x1a3
15: 4c 89 cb mov %r9,%rbx
18: 4c 29 d3 sub %r10,%rbx
1b: 66 2e 0f 1f 84 00 00 nopw %cs:0x0(%rax,%rax,1)
22: 00 00 00
25: 41 80 39 00 cmpb $0x0,(%r9)
* 29: 0f 85 e7 01 00 00 jne 0x216 <-- trapping instruction
2f: 49 ff c1 inc %r9
32: 48 ff c3 inc %rbx
35: 75 ee jne 0x25
37: e9 67 01 00 00 jmpq 0x1a3
3c: 44 89 cd mov %r9d,%ebp