loop5: rw=0, want=5150853156, limit=272
attempt to access beyond end of device
attempt to access beyond end of device
loop5: rw=0, want=1802385994, limit=272
loop2: rw=0, want=1802385994, limit=272
INFO: task syz-executor106:8134 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor106 D28712 8134 8107 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
d_wait_lookup fs/dcache.c:2430 [inline]
d_alloc_parallel+0x1292/0x19e0 fs/dcache.c:2512
__lookup_slow+0x18d/0x4a0 fs/namei.c:1655
lookup_slow fs/namei.c:1689 [inline]
walk_component+0x7ac/0xda0 fs/namei.c:1811
lookup_last fs/namei.c:2274 [inline]
path_lookupat+0x1ff/0x8d0 fs/namei.c:2319
filename_lookup+0x1ac/0x5a0 fs/namei.c:2349
user_path include/linux/namei.h:62 [inline]
do_mount+0x147/0x2f50 fs/namespace.c:2762
ksys_mount+0xcf/0x130 fs/namespace.c:3038
__do_sys_mount fs/namespace.c:3052 [inline]
__se_sys_mount fs/namespace.c:3049 [inline]
__x64_sys_mount+0xba/0x150 fs/namespace.c:3049
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fcb80b98c29
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcb80b242f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcb80c1d4b0 RCX: 00007fcb80b98c29
RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000000
RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 00007fcb80bea0c8
R13: 00000000200011c0 R14: 000000807fffffff R15: 00007fcb80c1d4b8
INFO: task syz-executor106:8138 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor106 D28712 8138 8105 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
d_wait_lookup fs/dcache.c:2430 [inline]
d_alloc_parallel+0x1292/0x19e0 fs/dcache.c:2512
__lookup_slow+0x18d/0x4a0 fs/namei.c:1655
lookup_slow fs/namei.c:1689 [inline]
walk_component+0x7ac/0xda0 fs/namei.c:1811
lookup_last fs/namei.c:2274 [inline]
path_lookupat+0x1ff/0x8d0 fs/namei.c:2319
filename_lookup+0x1ac/0x5a0 fs/namei.c:2349
user_path include/linux/namei.h:62 [inline]
do_mount+0x147/0x2f50 fs/namespace.c:2762
ksys_mount+0xcf/0x130 fs/namespace.c:3038
__do_sys_mount fs/namespace.c:3052 [inline]
__se_sys_mount fs/namespace.c:3049 [inline]
__x64_sys_mount+0xba/0x150 fs/namespace.c:3049
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fcb80b98c29
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcb80b242f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcb80c1d4b0 RCX: 00007fcb80b98c29
RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000000
RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 00007fcb80bea0c8
R13: 00000000200011c0 R14: 000000807fffffff R15: 00007fcb80c1d4b8
INFO: task syz-executor106:8136 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor106 D28696 8136 8103 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
d_wait_lookup fs/dcache.c:2430 [inline]
d_alloc_parallel+0x1292/0x19e0 fs/dcache.c:2512
__lookup_slow+0x18d/0x4a0 fs/namei.c:1655
lookup_slow fs/namei.c:1689 [inline]
walk_component+0x7ac/0xda0 fs/namei.c:1811
lookup_last fs/namei.c:2274 [inline]
path_lookupat+0x1ff/0x8d0 fs/namei.c:2319
filename_lookup+0x1ac/0x5a0 fs/namei.c:2349
user_path include/linux/namei.h:62 [inline]
do_mount+0x147/0x2f50 fs/namespace.c:2762
ksys_mount+0xcf/0x130 fs/namespace.c:3038
__do_sys_mount fs/namespace.c:3052 [inline]
__se_sys_mount fs/namespace.c:3049 [inline]
__x64_sys_mount+0xba/0x150 fs/namespace.c:3049
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fcb80b98c29
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcb80b242f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcb80c1d4b0 RCX: 00007fcb80b98c29
RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000000
RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 00007fcb80bea0c8
R13: 00000000200011c0 R14: 000000807fffffff R15: 00007fcb80c1d4b8
INFO: task syz-executor106:8140 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor106 D27664 8140 8102 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
d_wait_lookup fs/dcache.c:2430 [inline]
d_alloc_parallel+0x1292/0x19e0 fs/dcache.c:2512
__lookup_slow+0x18d/0x4a0 fs/namei.c:1655
lookup_slow fs/namei.c:1689 [inline]
walk_component+0x7ac/0xda0 fs/namei.c:1811
lookup_last fs/namei.c:2274 [inline]
path_lookupat+0x1ff/0x8d0 fs/namei.c:2319
filename_lookup+0x1ac/0x5a0 fs/namei.c:2349
user_path include/linux/namei.h:62 [inline]
do_mount+0x147/0x2f50 fs/namespace.c:2762
ksys_mount+0xcf/0x130 fs/namespace.c:3038
__do_sys_mount fs/namespace.c:3052 [inline]
__se_sys_mount fs/namespace.c:3049 [inline]
__x64_sys_mount+0xba/0x150 fs/namespace.c:3049
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fcb80b98c29
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcb80b242f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcb80c1d4b0 RCX: 00007fcb80b98c29
RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000000
RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 00007fcb80bea0c8
R13: 00000000200011c0 R14: 000000807fffffff R15: 00007fcb80c1d4b8
INFO: task syz-executor106:8142 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor106 D28712 8142 8106 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
d_wait_lookup fs/dcache.c:2430 [inline]
d_alloc_parallel+0x1292/0x19e0 fs/dcache.c:2512
__lookup_slow+0x18d/0x4a0 fs/namei.c:1655
lookup_slow fs/namei.c:1689 [inline]
walk_component+0x7ac/0xda0 fs/namei.c:1811
lookup_last fs/namei.c:2274 [inline]
path_lookupat+0x1ff/0x8d0 fs/namei.c:2319
filename_lookup+0x1ac/0x5a0 fs/namei.c:2349
user_path include/linux/namei.h:62 [inline]
do_mount+0x147/0x2f50 fs/namespace.c:2762
ksys_mount+0xcf/0x130 fs/namespace.c:3038
__do_sys_mount fs/namespace.c:3052 [inline]
__se_sys_mount fs/namespace.c:3049 [inline]
__x64_sys_mount+0xba/0x150 fs/namespace.c:3049
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fcb80b98c29
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcb80b242f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcb80c1d4b0 RCX: 00007fcb80b98c29
RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000000
RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 00007fcb80bea0c8
R13: 00000000200011c0 R14: 000000807fffffff R15: 00007fcb80c1d4b8
INFO: task syz-executor106:8151 blocked for more than 140 seconds.
Not tainted 4.19.211-syzkaller #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
syz-executor106 D28712 8151 8104 0x00000004
Call Trace:
context_switch kernel/sched/core.c:2828 [inline]
__schedule+0x887/0x2040 kernel/sched/core.c:3517
schedule+0x8d/0x1b0 kernel/sched/core.c:3561
d_wait_lookup fs/dcache.c:2430 [inline]
d_alloc_parallel+0x1292/0x19e0 fs/dcache.c:2512
__lookup_slow+0x18d/0x4a0 fs/namei.c:1655
lookup_slow fs/namei.c:1689 [inline]
walk_component+0x7ac/0xda0 fs/namei.c:1811
lookup_last fs/namei.c:2274 [inline]
path_lookupat+0x1ff/0x8d0 fs/namei.c:2319
filename_lookup+0x1ac/0x5a0 fs/namei.c:2349
user_path include/linux/namei.h:62 [inline]
do_mount+0x147/0x2f50 fs/namespace.c:2762
ksys_mount+0xcf/0x130 fs/namespace.c:3038
__do_sys_mount fs/namespace.c:3052 [inline]
__se_sys_mount fs/namespace.c:3049 [inline]
__x64_sys_mount+0xba/0x150 fs/namespace.c:3049
do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x7fcb80b98c29
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 b8 ff ff ff f7 d8 64 89 01 48
RSP: 002b:00007fcb80b242f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5
RAX: ffffffffffffffda RBX: 00007fcb80c1d4b0 RCX: 00007fcb80b98c29
RDX: 0000000000000000 RSI: 00000000200002c0 RDI: 0000000000000000
RBP: 0030656c69662f2e R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000004 R11: 0000000000000246 R12: 00007fcb80bea0c8
R13: 00000000200011c0 R14: 000000807fffffff R15: 00007fcb80c1d4b8
Showing all locks held in the system:
1 lock held by khungtaskd/1570:
#0: 000000009c8c953a (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441
1 lock held by kswapd0/1968:
1 lock held by kswapd1/1969:
1 lock held by in:imklog/7747:
#0: 000000008723a080 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767
1 lock held by syz-executor106/8111:
1 lock held by syz-executor106/8134:
#0: 00000000467baf6d (&type->i_mutex_dir_key#7){.+.+}, at: inode_lock_shared include/linux/fs.h:758 [inline]
#0: 00000000467baf6d (&type->i_mutex_dir_key#7){.+.+}, at: lookup_slow fs/namei.c:1688 [inline]
#0: 00000000467baf6d (&type->i_mutex_dir_key#7){.+.+}, at: walk_component+0x798/0xda0 fs/namei.c:1811
2 locks held by syz-executor106/8119:
1 lock held by syz-executor106/8138:
#0: 00000000367b3ef2 (&type->i_mutex_dir_key#7){.+.+}, at: inode_lock_shared include/linux/fs.h:758 [inline]
#0: 00000000367b3ef2 (&type->i_mutex_dir_key#7){.+.+}, at: lookup_slow fs/namei.c:1688 [inline]
#0: 00000000367b3ef2 (&type->i_mutex_dir_key#7){.+.+}, at: walk_component+0x798/0xda0 fs/namei.c:1811
2 locks held by syz-executor106/8112:
1 lock held by syz-executor106/8136:
#0: 00000000493ba0f7 (&type->i_mutex_dir_key#7){.+.+}, at: inode_lock_shared include/linux/fs.h:758 [inline]
#0: 00000000493ba0f7 (&type->i_mutex_dir_key#7){.+.+}, at: lookup_slow fs/namei.c:1688 [inline]
#0: 00000000493ba0f7 (&type->i_mutex_dir_key#7){.+.+}, at: walk_component+0x798/0xda0 fs/namei.c:1811
1 lock held by syz-executor106/8120:
1 lock held by syz-executor106/8140:
#0: 0000000050970ca5 (&type->i_mutex_dir_key#7){.+.+}, at: inode_lock_shared include/linux/fs.h:758 [inline]
#0: 0000000050970ca5 (&type->i_mutex_dir_key#7){.+.+}, at: lookup_slow fs/namei.c:1688 [inline]
#0: 0000000050970ca5 (&type->i_mutex_dir_key#7){.+.+}, at: walk_component+0x798/0xda0 fs/namei.c:1811
1 lock held by syz-executor106/8125:
1 lock held by syz-executor106/8142:
#0: 00000000e8b3b783 (&type->i_mutex_dir_key#7){.+.+}, at: inode_lock_shared include/linux/fs.h:758 [inline]
#0: 00000000e8b3b783 (&type->i_mutex_dir_key#7){.+.+}, at: lookup_slow fs/namei.c:1688 [inline]
#0: 00000000e8b3b783 (&type->i_mutex_dir_key#7){.+.+}, at: walk_component+0x798/0xda0 fs/namei.c:1811
1 lock held by syz-executor106/8146:
1 lock held by syz-executor106/8151:
#0: 00000000ce5fd961 (&type->i_mutex_dir_key#7){.+.+}, at: inode_lock_shared include/linux/fs.h:758 [inline]
#0: 00000000ce5fd961 (&type->i_mutex_dir_key#7){.+.+}, at: lookup_slow fs/namei.c:1688 [inline]
#0: 00000000ce5fd961 (&type->i_mutex_dir_key#7){.+.+}, at: walk_component+0x798/0xda0 fs/namei.c:1811
=============================================
NMI backtrace for cpu 1
CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x1fc/0x2ef lib/dump_stack.c:118
nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101
nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline]
watchdog+0x991/0xe60 kernel/hung_task.c:287
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415
Sending NMI from CPU 1 to CPUs 0:
NMI backtrace for cpu 0
CPU: 0 PID: 1968 Comm: kswapd0 Not tainted 4.19.211-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/22/2022
RIP: 0010:deref_stack_reg+0xe/0x1d0 arch/x86/kernel/unwind_orc.c:330
Code: ff ff ff 4c 89 ef e8 21 e6 6e 00 0f b6 44 24 04 eb a0 66 2e 0f 1f 84 00 00 00 00 00 48 b8 00 00 00 00 00 fc ff df 41 56 41 55 <49> 89 d5 41 54 49 89 fc 55 48 89 f5 53 48 83 ec 68 48 c7 44 24 08
RSP: 0018:ffff8880b0d7f168 EFLAGS: 00000046
RAX: dffffc0000000000 RBX: 1ffff110161afe39 RCX: ffff8880b0d7f660
RDX: ffff8880b0d7f2f8 RSI: ffff8880b0d7f688 RDI: ffff8880b0d7f2b0
RBP: 0000000000000001 R08: ffffffff8b97baf4 R09: ffffffff8b97bacc
R10: ffff8880b0d7f30f R11: 0000000000074071 R12: ffff8880b0d7f2f8
R13: ffff8880b0d7f2e5 R14: ffff8880b0d7f2b0 R15: ffffffff8b97baf0
FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fd34d1d1000 CR3: 00000000a085a000 CR4: 00000000003406f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
unwind_next_frame+0x9fc/0x1400 arch/x86/kernel/unwind_orc.c:502
__save_stack_trace+0x9f/0x190 arch/x86/kernel/stacktrace.c:44
save_stack mm/kasan/kasan.c:448 [inline]
set_track mm/kasan/kasan.c:460 [inline]
__kasan_slab_free+0x126/0x1f0 mm/kasan/kasan.c:521
__cache_free mm/slab.c:3503 [inline]
kmem_cache_free+0x7f/0x260 mm/slab.c:3765
free_buffer_head+0x4a/0xf0 fs/buffer.c:3387
try_to_free_buffers+0x38b/0x5d0 fs/buffer.c:3302
try_to_release_page+0x263/0x390 mm/filemap.c:3359
shrink_page_list+0x3abc/0x59d0 mm/vmscan.c:1413
shrink_inactive_list+0x4f4/0x1820 mm/vmscan.c:1950
shrink_list mm/vmscan.c:2254 [inline]
shrink_node_memcg+0x5b9/0x1450 mm/vmscan.c:2522
shrink_node.isra.0+0x25d/0x1300 mm/vmscan.c:2745
kswapd_shrink_node mm/vmscan.c:3467 [inline]
balance_pgdat mm/vmscan.c:3577 [inline]
kswapd+0xb8d/0x1840 mm/vmscan.c:3801
kthread+0x33f/0x460 kernel/kthread.c:259
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415