INFO: task syz.0.2243:18338 blocked for more than 143 seconds.
Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2243 state:D stack:25336 pid:18338 tgid:18337 ppid:18091 flags:0x00004006
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:870 [inline]
page_cache_ra_unbounded+0x135/0x8a0 mm/readahead.c:226
do_sync_mmap_readahead+0x499/0x970
filemap_fault+0x8c5/0x1950 mm/filemap.c:3343
__do_fault+0x135/0x460 mm/memory.c:4871
do_read_fault mm/memory.c:5286 [inline]
do_fault mm/memory.c:5420 [inline]
do_pte_missing mm/memory.c:3965 [inline]
handle_pte_fault+0x2d1c/0x6800 mm/memory.c:5755
__handle_mm_fault mm/memory.c:5898 [inline]
handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6066
do_user_addr_fault arch/x86/mm/fault.c:1389 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x2b9/0x8c0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x4a/0x70 arch/x86/lib/copy_user_64.S:71
Code: 75 f1 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb c9 a4 c3 cc cc cc cc 48 89 c8 48 c1 e9 03 83 e0 07 f3 48 a5 89 c1
RSP: 0018:ffffc90003677b90 EFLAGS: 00050202
RAX: ffffffff84bcf001 RBX: 0000000020c00270 RCX: 000000000005f270
RDX: 0000000000000001 RSI: 0000000020ba1000 RDI: ffff8880466a0d94
RBP: ffffc90003677d00 R08: 0000000000000003 R09: ffffed1008ce0000
R10: dffffc0000000000 R11: ffffed1008ce0000 R12: 0000000020b0026c
R13: 1ffff920006cefb9 R14: ffff888046600000 R15: 0000000000100004
copy_user_generic arch/x86/include/asm/uaccess_64.h:121 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:136 [inline]
_inline_copy_from_user include/linux/uaccess.h:170 [inline]
_copy_from_user+0x8c/0xe0 lib/usercopy.c:18
copy_from_user include/linux/uaccess.h:203 [inline]
generic_map_update_batch+0x567/0x900 kernel/bpf/syscall.c:1844
bpf_map_do_batch+0x39a/0x660 kernel/bpf/syscall.c:5158
__sys_bpf+0x377/0x810
__do_sys_bpf kernel/bpf/syscall.c:5756 [inline]
__se_sys_bpf kernel/bpf/syscall.c:5754 [inline]
__x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5754
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbd3bd7dff9
RSP: 002b:00007fbd3cb7c038 EFLAGS: 00000246 ORIG_RAX: 0000000000000141
RAX: ffffffffffffffda RBX: 00007fbd3bf35f80 RCX: 00007fbd3bd7dff9
RDX: 0000000000000038 RSI: 0000000020000200 RDI: 000000000000001a
RBP: 00007fbd3bdf0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbd3bf35f80 R15: 00007fbd3c05fa28
INFO: task syz.0.2243:18341 blocked for more than 144 seconds.
Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2243 state:D stack:23072 pid:18341 tgid:18337 ppid:18091 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:870 [inline]
page_cache_ra_unbounded+0x135/0x8a0 mm/readahead.c:226
do_sync_mmap_readahead+0x499/0x970
filemap_fault+0x8c5/0x1950 mm/filemap.c:3343
__do_fault+0x135/0x460 mm/memory.c:4871
do_read_fault mm/memory.c:5286 [inline]
do_fault mm/memory.c:5420 [inline]
do_pte_missing mm/memory.c:3965 [inline]
handle_pte_fault+0x2d1c/0x6800 mm/memory.c:5755
__handle_mm_fault mm/memory.c:5898 [inline]
handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6066
do_user_addr_fault arch/x86/mm/fault.c:1389 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x2b9/0x8c0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:do_strncpy_from_user lib/strncpy_from_user.c:41 [inline]
RIP: 0010:strncpy_from_user+0xa7/0x250 lib/strncpy_from_user.c:127
Code: bf 07 00 00 00 4c 89 fe e8 26 1c a0 fc 49 83 ff 07 0f 86 8b 00 00 00 4c 89 3c 24 49 c7 c5 f8 ff ff ff 45 31 e4 48 8b 44 24 08 <4e> 8b 3c 20 48 b8 ff fe fe fe fe fe fe fe 49 8d 2c 07 4c 89 fb 48
RSP: 0018:ffffc90003277cb0 EFLAGS: 00050246
RAX: 0000000020000000 RBX: 0000000020000000 RCX: ffff888027a09e00
RDX: 0000000000000000 RSI: 0000000000000fe0 RDI: 0000000000000007
RBP: ffff88806ff86620 R08: ffffffff84f4c09a R09: 1ffffffff2039fdd
R10: dffffc0000000000 R11: fffffbfff2039fde R12: 0000000000000000
R13: fffffffffffffff8 R14: ffff88806ff86620 R15: 0000000000000fe0
getname_flags+0xf1/0x540 fs/namei.c:150
do_sys_openat2+0xd2/0x1d0 fs/open.c:1409
do_sys_open fs/open.c:1430 [inline]
__do_sys_openat fs/open.c:1446 [inline]
__se_sys_openat fs/open.c:1441 [inline]
__x64_sys_openat+0x247/0x2a0 fs/open.c:1441
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbd3bd7dff9
RSP: 002b:00007fbd3cb5b038 EFLAGS: 00000246 ORIG_RAX: 0000000000000101
RAX: ffffffffffffffda RBX: 00007fbd3bf36058 RCX: 00007fbd3bd7dff9
RDX: 0000000000000000 RSI: 0000000020000000 RDI: ffffffffffffff9c
RBP: 00007fbd3bdf0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbd3bf36058 R15: 00007fbd3c05fa28
INFO: task syz.0.2243:18345 blocked for more than 144 seconds.
Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2243 state:D stack:25968 pid:18345 tgid:18337 ppid:18091 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:870 [inline]
page_cache_ra_unbounded+0x135/0x8a0 mm/readahead.c:226
do_sync_mmap_readahead+0x499/0x970
filemap_fault+0x8c5/0x1950 mm/filemap.c:3343
__do_fault+0x135/0x460 mm/memory.c:4871
do_read_fault mm/memory.c:5286 [inline]
do_fault mm/memory.c:5420 [inline]
do_pte_missing mm/memory.c:3965 [inline]
handle_pte_fault+0x2d1c/0x6800 mm/memory.c:5755
__handle_mm_fault mm/memory.c:5898 [inline]
handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6066
do_user_addr_fault arch/x86/mm/fault.c:1389 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x2b9/0x8c0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x4a/0x70 arch/x86/lib/copy_user_64.S:71
Code: 75 f1 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 48 8b 06 48 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 df 83 f9 08 73 e8 eb c9 a4 c3 cc cc cc cc 48 89 c8 48 c1 e9 03 83 e0 07 f3 48 a5 89 c1
RSP: 0018:ffffc90003227d90 EFLAGS: 00050202
RAX: ffffffff84bcf001 RBX: 00000000200000b8 RCX: 0000000000000078
RDX: 0000000000000001 RSI: 0000000020000040 RDI: ffffc90003227e00
RBP: ffffc90003227f00 R08: ffffc90003227e77 R09: 1ffff92000644fce
R10: dffffc0000000000 R11: fffff52000644fcf R12: 0000000020000040
R13: dffffc0000000000 R14: ffffc90003227e00 R15: 0000000000000078
copy_user_generic arch/x86/include/asm/uaccess_64.h:121 [inline]
raw_copy_from_user arch/x86/include/asm/uaccess_64.h:136 [inline]
_inline_copy_from_user include/linux/uaccess.h:170 [inline]
_copy_from_user+0x8c/0xe0 lib/usercopy.c:18
copy_from_user include/linux/uaccess.h:203 [inline]
io_uring_setup io_uring/io_uring.c:3726 [inline]
__do_sys_io_uring_setup io_uring/io_uring.c:3771 [inline]
__se_sys_io_uring_setup+0x144/0x330 io_uring/io_uring.c:3765
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbd3bd7dff9
RSP: 002b:00007fbd3cb3a038 EFLAGS: 00000246 ORIG_RAX: 00000000000001a9
RAX: ffffffffffffffda RBX: 00007fbd3bf36130 RCX: 00007fbd3bd7dff9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: 0000000000007056
RBP: 00007fbd3bdf0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000001 R14: 00007fbd3bf36130 R15: 00007fbd3c05fa28
INFO: task syz.0.2243:18346 blocked for more than 145 seconds.
Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2243 state:D stack:26608 pid:18346 tgid:18337 ppid:18091 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:870 [inline]
page_cache_ra_unbounded+0x135/0x8a0 mm/readahead.c:226
do_sync_mmap_readahead+0x499/0x970
filemap_fault+0x8c5/0x1950 mm/filemap.c:3343
__do_fault+0x135/0x460 mm/memory.c:4871
do_read_fault mm/memory.c:5286 [inline]
do_fault mm/memory.c:5420 [inline]
do_pte_missing mm/memory.c:3965 [inline]
handle_pte_fault+0x2d1c/0x6800 mm/memory.c:5755
__handle_mm_fault mm/memory.c:5898 [inline]
handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6066
do_user_addr_fault arch/x86/mm/fault.c:1338 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x459/0x8c0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fbd3bd63801
RSP: 002b:00007fbd3cb17f58 EFLAGS: 00010283
RAX: 0000000000000400 RBX: 00007fbd3cb18024 RCX: 0000000000000000
RDX: 0000000020005400 RSI: 000000000000000f RDI: 0000000020005400
RBP: 0000000000000005 R08: 000000000000000f R09: 0000000000000000
R10: 0000000020005400 R11: 0000000000000286 R12: 0000000020005400
R13: 00007fbd3cb17fc0 R14: 00007fbd3bf36208 R15: 0000000000000000
INFO: task syz.0.2243:18348 blocked for more than 145 seconds.
Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.2243 state:D stack:24992 pid:18348 tgid:18337 ppid:18091 flags:0x00000004
Call Trace:
context_switch kernel/sched/core.c:5328 [inline]
__schedule+0x18af/0x4bd0 kernel/sched/core.c:6690
__schedule_loop kernel/sched/core.c:6767 [inline]
schedule+0x14b/0x320 kernel/sched/core.c:6782
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6839
rwsem_down_read_slowpath kernel/locking/rwsem.c:1084 [inline]
__down_read_common kernel/locking/rwsem.c:1248 [inline]
__down_read kernel/locking/rwsem.c:1261 [inline]
down_read+0x705/0xa40 kernel/locking/rwsem.c:1526
filemap_invalidate_lock_shared include/linux/fs.h:870 [inline]
page_cache_ra_unbounded+0x135/0x8a0 mm/readahead.c:226
do_sync_mmap_readahead+0x499/0x970
filemap_fault+0x8c5/0x1950 mm/filemap.c:3343
__do_fault+0x135/0x460 mm/memory.c:4871
do_read_fault mm/memory.c:5286 [inline]
do_fault mm/memory.c:5420 [inline]
do_pte_missing mm/memory.c:3965 [inline]
handle_pte_fault+0x2d1c/0x6800 mm/memory.c:5755
__handle_mm_fault mm/memory.c:5898 [inline]
handle_mm_fault+0x1106/0x1bb0 mm/memory.c:6066
do_user_addr_fault arch/x86/mm/fault.c:1389 [inline]
handle_page_fault arch/x86/mm/fault.c:1481 [inline]
exc_page_fault+0x2b9/0x8c0 arch/x86/mm/fault.c:1539
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:do_strncpy_from_user lib/strncpy_from_user.c:41 [inline]
RIP: 0010:strncpy_from_user+0xa7/0x250 lib/strncpy_from_user.c:127
Code: bf 07 00 00 00 4c 89 fe e8 26 1c a0 fc 49 83 ff 07 0f 86 8b 00 00 00 4c 89 3c 24 49 c7 c5 f8 ff ff ff 45 31 e4 48 8b 44 24 08 <4e> 8b 3c 20 48 b8 ff fe fe fe fe fe fe fe 49 8d 2c 07 4c 89 fb 48
RSP: 0018:ffffc900034a7e50 EFLAGS: 00050246
RAX: 0000000020000040 RBX: 0000000020000040 RCX: ffff888027699e00
RDX: 0000000000000000 RSI: 0000000000000fe0 RDI: 0000000000000007
RBP: ffff88807ee84420 R08: ffffffff84f4c09a R09: 1ffffffff2039fdd
R10: dffffc0000000000 R11: fffffbfff2039fde R12: 0000000000000000
R13: fffffffffffffff8 R14: ffff88807ee84420 R15: 0000000000000fe0
getname_flags+0xf1/0x540 fs/namei.c:150
getname fs/namei.c:225 [inline]
__do_sys_mknodat fs/namei.c:4213 [inline]
__se_sys_mknodat fs/namei.c:4210 [inline]
__x64_sys_mknodat+0x96/0xc0 fs/namei.c:4210
do_syscall_x64 arch/x86/entry/common.c:52 [inline]
do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fbd3bd7dff9
RSP: 002b:00007fbd3caf8038 EFLAGS: 00000246 ORIG_RAX: 0000000000000103
RAX: ffffffffffffffda RBX: 00007fbd3bf362e0 RCX: 00007fbd3bd7dff9
RDX: 0000000000000000 RSI: 0000000020000040 RDI: ffffffffffffff9c
RBP: 00007fbd3bdf0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fbd3bf362e0 R15: 00007fbd3c05fa28
Showing all locks held in the system:
1 lock held by pool_workqueue_/3:
1 lock held by khungtaskd/30:
#0: ffffffff8e937e20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline]
#0: ffffffff8e937e20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline]
#0: ffffffff8e937e20 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x55/0x2a0 kernel/locking/lockdep.c:6720
3 locks held by kworker/1:1/51:
3 locks held by kworker/1:2/937:
1 lock held by udevd/4687:
2 locks held by getty/4996:
#0: ffff888031bd80a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 drivers/tty/tty_ldisc.c:243
#1: ffffc90002efe2f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x6a6/0x1e00 drivers/tty/n_tty.c:2211
2 locks held by kworker/u8:13/8250:
3 locks held by kworker/u8:6/14015:
#0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801ac89148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc9000d697d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc9000d697d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffffffff8fcd2e48 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xe/0x60 net/core/link_watch.c:276
4 locks held by kworker/u8:11/15045:
#0: ffff88801baed948 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3204 [inline]
#0: ffff88801baed948 ((wq_completion)netns){+.+.}-{0:0}, at: process_scheduled_works+0x93b/0x1850 kernel/workqueue.c:3310
#1: ffffc900041afd00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work kernel/workqueue.c:3205 [inline]
#1: ffffc900041afd00 (net_cleanup_work){+.+.}-{0:0}, at: process_scheduled_works+0x976/0x1850 kernel/workqueue.c:3310
#2: ffffffff8fcc6350 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x16a/0xcc0 net/core/net_namespace.c:580
#3: ffffffff8fcd2e48 (rtnl_mutex){+.+.}-{3:3}, at: wg_destruct+0x25/0x2e0 drivers/net/wireguard/device.c:246
1 lock held by syz.2.2216/17954:
#0: ffff888148d3fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock include/linux/fs.h:860 [inline]
#0: ffff888148d3fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: blkdev_fallocate+0x20e/0x490 block/fops.c:808
1 lock held by syz.0.2243/18338:
#0: ffff888148d3fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:870 [inline]
#0: ffff888148d3fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x135/0x8a0 mm/readahead.c:226
1 lock held by syz.0.2243/18341:
#0: ffff888148d3fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:870 [inline]
#0: ffff888148d3fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x135/0x8a0 mm/readahead.c:226
1 lock held by syz.0.2243/18345:
#0: ffff888148d3fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:870 [inline]
#0: ffff888148d3fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x135/0x8a0 mm/readahead.c:226
1 lock held by syz.0.2243/18346:
#0: ffff888148d3fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:870 [inline]
#0: ffff888148d3fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x135/0x8a0 mm/readahead.c:226
1 lock held by syz.0.2243/18348:
#0: ffff888148d3fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:870 [inline]
#0: ffff888148d3fc40 (mapping.invalidate_lock#2){++++}-{3:3}, at: page_cache_ra_unbounded+0x135/0x8a0 mm/readahead.c:226
1 lock held by syz-executor/18606:
#0: ffffffff8fcd2e48 (rtnl_mutex){+.+.}-{3:3}, at: tun_detach drivers/net/tun.c:698 [inline]
#0: ffffffff8fcd2e48 (rtnl_mutex){+.+.}-{3:3}, at: tun_chr_close+0x3b/0x1b0 drivers/net/tun.c:3517
3 locks held by syz.0.2542/20196:
#0: ffff888052c2cd80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
#0: ffff888052c2cd80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2698
#1: ffff888052c2c078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x572/0x11a0 net/bluetooth/hci_sync.c:5183
#2: ffffffff8fe3f768 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_disconn_cfm include/net/bluetooth/hci_core.h:1972 [inline]
#2: ffffffff8fe3f768 (hci_cb_list_lock){+.+.}-{3:3}, at: hci_conn_hash_flush+0xa6/0x240 net/bluetooth/hci_conn.c:2592
2 locks held by syz.4.2543/20200:
#0: ffff88806e98cd80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_dev_do_close net/bluetooth/hci_core.c:481 [inline]
#0: ffff88806e98cd80 (&hdev->req_lock){+.+.}-{3:3}, at: hci_unregister_dev+0x203/0x510 net/bluetooth/hci_core.c:2698
#1: ffff88806e98c078 (&hdev->lock){+.+.}-{3:3}, at: hci_dev_close_sync+0x572/0x11a0 net/bluetooth/hci_sync.c:5183
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 30 Comm: khungtaskd Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120
nmi_cpu_backtrace+0x49c/0x4d0 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x198/0x320 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:162 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:223 [inline]
watchdog+0xff4/0x1040 kernel/hung_task.c:379
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 1821 Comm: kworker/u8:5 Not tainted 6.12.0-rc4-syzkaller-00047-gc2ee9f594da8 #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024
Workqueue: events_unbound nsim_dev_trap_report_work
RIP: 0010:memset_orig+0x15/0xb0 arch/x86/lib/memset_64.S:52
Code: 80 00 00 00 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 66 0f 1f 00 49 89 fa 40 0f b6 ce 48 b8 01 01 01 01 01 01 01 01 <48> 0f af c1 41 89 f9 41 83 e1 07 75 70 48 89 d1 48 c1 e9 06 74 35
RSP: 0018:ffffc90004c075c8 EFLAGS: 00000202
RAX: 0101010101010101 RBX: ffffc90004c076d8 RCX: 0000000000000000
RDX: 0000000000000010 RSI: 0000000000000000 RDI: ffffc90004c076f0
RBP: dffffc0000000000 R08: ffffc90004c076ff R09: 1ffff92000980edf
R10: ffffc90004c076f0 R11: fffff52000980ee0 R12: ffffc90004c08000
R13: ffffc90004c076a0 R14: ffffffff8135ff7b R15: ffffc90004c076f0
FS: 0000000000000000(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 000055deb5c2a131 CR3: 000000000e734000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 00000000872c9164 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400
Call Trace:
unwind_next_frame+0xcfb/0x22d0 arch/x86/kernel/unwind_orc.c:592
arch_stack_walk+0x11c/0x150 arch/x86/kernel/stacktrace.c:25
stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122
kasan_save_stack mm/kasan/common.c:47 [inline]
kasan_save_track+0x3f/0x80 mm/kasan/common.c:68
kasan_save_free_info+0x40/0x50 mm/kasan/generic.c:579
poison_slab_object mm/kasan/common.c:247 [inline]
__kasan_slab_free+0x59/0x70 mm/kasan/common.c:264
kasan_slab_free include/linux/kasan.h:230 [inline]
slab_free_hook mm/slub.c:2342 [inline]
slab_free mm/slub.c:4579 [inline]
kmem_cache_free+0x1a2/0x420 mm/slub.c:4681
nsim_dev_trap_report drivers/net/netdevsim/dev.c:821 [inline]
nsim_dev_trap_report_work+0x765/0xab0 drivers/net/netdevsim/dev.c:851
process_one_work kernel/workqueue.c:3229 [inline]
process_scheduled_works+0xa63/0x1850 kernel/workqueue.c:3310
worker_thread+0x870/0xd30 kernel/workqueue.c:3391
kthread+0x2f0/0x390 kernel/kthread.c:389
ret_from_fork+0x4b/0x80 arch/x86/kernel/process.c:147
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:244