INFO: task syz.4.83:7166 blocked for more than 143 seconds.
Not tainted 6.15.0-syzkaller-12141-gec7714e49479 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.83 state:D stack:26312 pid:7166 tgid:7166 ppid:6619 task_flags:0x400040 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x116a/0x5de0 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6878
io_schedule+0xbf/0x130 kernel/sched/core.c:7723
folio_wait_bit_common+0x3d6/0x9e0 mm/filemap.c:1317
__folio_lock mm/filemap.c:1675 [inline]
folio_lock include/linux/pagemap.h:1114 [inline]
folio_lock include/linux/pagemap.h:1110 [inline]
__filemap_get_folio+0x774/0xc30 mm/filemap.c:1928
filemap_lock_folio include/linux/pagemap.h:785 [inline]
filemap_lock_hugetlb_folio include/linux/hugetlb.h:814 [inline]
hugetlb_fault+0x180b/0x3060 mm/hugetlb.c:6770
handle_mm_fault+0xbfa/0xd10 mm/memory.c:6399
do_user_addr_fault+0x7a6/0x1370 arch/x86/mm/fault.c:1387
handle_page_fault arch/x86/mm/fault.c:1476 [inline]
exc_page_fault+0x5c/0xb0 arch/x86/mm/fault.c:1532
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7f422ea51629
RSP: 002b:00007ffe9f3387f0 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffffffff7fffff
RDX: 3edc5ea3e0ad43cb RSI: 0000000020800000 RDI: 00005555708bb3c8
RBP: 00007f422ed37a80 R08: 00007f422ea00000 R09: 0000000000000008
R10: 0000000000000000 R11: 0000000000000003 R12: 000000000001fc4b
R13: 00007ffe9f3388f0 R14: 0000000000000032 R15: fffffffffffffffe
INFO: task syz.4.83:7168 blocked for more than 144 seconds.
Not tainted 6.15.0-syzkaller-12141-gec7714e49479 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.4.83 state:D stack:28312 pid:7168 tgid:7166 ppid:6619 task_flags:0x400140 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x116a/0x5de0 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6c7/0xb90 kernel/locking/mutex.c:747
hugetlb_wp+0x1f3c/0x32e0 mm/hugetlb.c:6255
hugetlb_fault+0x232f/0x3060 mm/hugetlb.c:6818
handle_mm_fault+0xbfa/0xd10 mm/memory.c:6399
do_user_addr_fault+0x7a6/0x1370 arch/x86/mm/fault.c:1387
handle_page_fault arch/x86/mm/fault.c:1476 [inline]
exc_page_fault+0x5c/0xb0 arch/x86/mm/fault.c:1532
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x33/0x90 arch/x86/lib/copy_user_64.S:61
Code: 73 25 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 e9 bd 10 04 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 8b 06 <48> 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08 73 e8 eb
RSP: 0018:ffffc90003e5fc38 EFLAGS: 00050246
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008
RDX: fffff520007cbf97 RSI: ffffc90003e5fcb0 RDI: 000000002001e708
RBP: 000000002001e708 R08: 0000000000000000 R09: fffff520007cbf96
R10: ffffc90003e5fcb7 R11: 0000000000000001 R12: ffffc90003e5fcb0
R13: 000000002001e710 R14: 00007ffffffff000 R15: 0000000000000000
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_to_user arch/x86/include/asm/uaccess_64.h:147 [inline]
_inline_copy_to_user include/linux/uaccess.h:197 [inline]
_copy_to_user+0xbb/0xd0 lib/usercopy.c:26
copy_to_user include/linux/uaccess.h:225 [inline]
msr_read+0x14e/0x250 arch/x86/kernel/msr.c:69
vfs_read+0x1e4/0xc60 fs/read_write.c:570
ksys_read+0x12a/0x250 fs/read_write.c:715
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f422eb7dff9
RSP: 002b:00007f422fa54038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f422ed35f80 RCX: 00007f422eb7dff9
RDX: 0000000000018ff8 RSI: 0000000020019680 RDI: 0000000000000003
RBP: 00007f422ebf0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f422ed35f80 R15: 00007ffe9f338688
INFO: task syz.3.82:7175 blocked for more than 144 seconds.
Not tainted 6.15.0-syzkaller-12141-gec7714e49479 #0
Blocked by coredump.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.82 state:D stack:28280 pid:7175 tgid:7175 ppid:6615 task_flags:0x40004c flags:0x00004002
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x116a/0x5de0 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6c7/0xb90 kernel/locking/mutex.c:747
remove_inode_hugepages+0x303/0xed0 fs/hugetlbfs/inode.c:591
hugetlbfs_evict_inode+0x90/0x250 fs/hugetlbfs/inode.c:617
evict+0x3e3/0x920 fs/inode.c:810
iput_final fs/inode.c:1898 [inline]
iput fs/inode.c:1924 [inline]
iput+0x521/0x880 fs/inode.c:1910
dentry_unlink_inode+0x29c/0x480 fs/dcache.c:466
__dentry_kill+0x1d0/0x600 fs/dcache.c:669
dput.part.0+0x4b1/0x9b0 fs/dcache.c:911
dput+0x1f/0x30 fs/dcache.c:901
__fput+0x51c/0xb70 fs/file_table.c:473
task_work_run+0x14d/0x240 kernel/task_work.c:227
exit_task_work include/linux/task_work.h:40 [inline]
do_exit+0x864/0x2bd0 kernel/exit.c:955
__do_sys_exit kernel/exit.c:1071 [inline]
__se_sys_exit kernel/exit.c:1069 [inline]
__x64_sys_exit+0x42/0x50 kernel/exit.c:1069
x64_sys_call+0xea3/0x1730 arch/x86/include/generated/asm/syscalls_64.h:61
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3adaf7dff9
RSP: 002b:00007f3adbd23fe8 EFLAGS: 00000246 ORIG_RAX: 000000000000003c
RAX: ffffffffffffffda RBX: 00007f3adb136058 RCX: 00007f3adaf7dff9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000
RBP: 00007f3adaff0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f3adb136058 R15: 00007fffa3e8abd8
INFO: task syz.0.88:7190 blocked for more than 145 seconds.
Not tainted 6.15.0-syzkaller-12141-gec7714e49479 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.0.88 state:D stack:27368 pid:7190 tgid:7189 ppid:6602 task_flags:0x400140 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x116a/0x5de0 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6c7/0xb90 kernel/locking/mutex.c:747
hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
vfs_fallocate+0x60b/0x10c0 fs/open.c:341
ksys_fallocate fs/open.c:365 [inline]
__do_sys_fallocate fs/open.c:370 [inline]
__se_sys_fallocate fs/open.c:368 [inline]
__x64_sys_fallocate+0xd5/0x150 fs/open.c:368
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fe54ed7dff9
RSP: 002b:00007fe54fbd3038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007fe54ef35f80 RCX: 00007fe54ed7dff9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fe54edf0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000400 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fe54ef35f80 R15: 00007ffebc213428
INFO: task syz.2.90:7202 blocked for more than 145 seconds.
Not tainted 6.15.0-syzkaller-12141-gec7714e49479 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.90 state:D stack:27672 pid:7202 tgid:7201 ppid:6607 task_flags:0x400140 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x116a/0x5de0 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6c7/0xb90 kernel/locking/mutex.c:747
hugetlb_fault+0x302/0x3060 mm/hugetlb.c:6686
handle_mm_fault+0xbfa/0xd10 mm/memory.c:6399
do_user_addr_fault+0x7a6/0x1370 arch/x86/mm/fault.c:1387
handle_page_fault arch/x86/mm/fault.c:1476 [inline]
exc_page_fault+0x5c/0xb0 arch/x86/mm/fault.c:1532
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x33/0x90 arch/x86/lib/copy_user_64.S:61
Code: 73 25 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 e9 bd 10 04 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 8b 06 <48> 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08 73 e8 eb
RSP: 0018:ffffc900040ffc38 EFLAGS: 00050246
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008
RDX: fffff5200081ff97 RSI: ffffc900040ffcb0 RDI: 000000002001a808
RBP: 000000002001a808 R08: 0000000000000000 R09: fffff5200081ff96
R10: ffffc900040ffcb7 R11: 0000000000000001 R12: ffffc900040ffcb0
R13: 000000002001a810 R14: 00007ffffffff000 R15: 0000000000000000
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_to_user arch/x86/include/asm/uaccess_64.h:147 [inline]
_inline_copy_to_user include/linux/uaccess.h:197 [inline]
_copy_to_user+0xbb/0xd0 lib/usercopy.c:26
copy_to_user include/linux/uaccess.h:225 [inline]
msr_read+0x14e/0x250 arch/x86/kernel/msr.c:69
vfs_read+0x1e4/0xc60 fs/read_write.c:570
ksys_read+0x12a/0x250 fs/read_write.c:715
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7946f7dff9
RSP: 002b:00007f7947cda038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f7947135f80 RCX: 00007f7946f7dff9
RDX: 0000000000018ff8 RSI: 0000000020019680 RDI: 0000000000000003
RBP: 00007f7946ff0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7947135f80 R15: 00007ffdb4baadb8
INFO: task syz.2.90:7205 blocked for more than 146 seconds.
Not tainted 6.15.0-syzkaller-12141-gec7714e49479 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.2.90 state:D stack:27320 pid:7205 tgid:7201 ppid:6607 task_flags:0x400040 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x116a/0x5de0 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6c7/0xb90 kernel/locking/mutex.c:747
hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
vfs_fallocate+0x60b/0x10c0 fs/open.c:341
ksys_fallocate fs/open.c:365 [inline]
__do_sys_fallocate fs/open.c:370 [inline]
__se_sys_fallocate fs/open.c:368 [inline]
__x64_sys_fallocate+0xd5/0x150 fs/open.c:368
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f7946f7dff9
RSP: 002b:00007f7947cb9038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f7947136058 RCX: 00007f7946f7dff9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f7946ff0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000400 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f7947136058 R15: 00007ffdb4baadb8
INFO: task syz.3.91:7209 blocked for more than 146 seconds.
Not tainted 6.15.0-syzkaller-12141-gec7714e49479 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.91 state:D stack:28312 pid:7209 tgid:7208 ppid:6615 task_flags:0x400140 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x116a/0x5de0 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6c7/0xb90 kernel/locking/mutex.c:747
hugetlb_fault+0x302/0x3060 mm/hugetlb.c:6686
handle_mm_fault+0xbfa/0xd10 mm/memory.c:6399
do_user_addr_fault+0x7a6/0x1370 arch/x86/mm/fault.c:1387
handle_page_fault arch/x86/mm/fault.c:1476 [inline]
exc_page_fault+0x5c/0xb0 arch/x86/mm/fault.c:1532
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0010:rep_movs_alternative+0x33/0x90 arch/x86/lib/copy_user_64.S:61
Code: 73 25 85 c9 74 0f 8a 06 88 07 48 ff c7 48 ff c6 48 ff c9 75 f1 e9 bd 10 04 00 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 8b 06 <48> 89 07 48 83 c6 08 48 83 c7 08 83 e9 08 74 db 83 f9 08 73 e8 eb
RSP: 0018:ffffc90003d8fc38 EFLAGS: 00050246
RAX: 0000000000000000 RBX: 0000000000000008 RCX: 0000000000000008
RDX: fffff520007b1f97 RSI: ffffc90003d8fcb0 RDI: 0000000020029288
RBP: 0000000020029288 R08: 0000000000000000 R09: fffff520007b1f96
R10: ffffc90003d8fcb7 R11: 0000000000000001 R12: ffffc90003d8fcb0
R13: 0000000020029290 R14: 00007ffffffff000 R15: 0000000000000000
copy_user_generic arch/x86/include/asm/uaccess_64.h:126 [inline]
raw_copy_to_user arch/x86/include/asm/uaccess_64.h:147 [inline]
_inline_copy_to_user include/linux/uaccess.h:197 [inline]
_copy_to_user+0xbb/0xd0 lib/usercopy.c:26
copy_to_user include/linux/uaccess.h:225 [inline]
msr_read+0x14e/0x250 arch/x86/kernel/msr.c:69
vfs_read+0x1e4/0xc60 fs/read_write.c:570
ksys_read+0x12a/0x250 fs/read_write.c:715
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3adaf7dff9
RSP: 002b:00007f3adbd45038 EFLAGS: 00000246 ORIG_RAX: 0000000000000000
RAX: ffffffffffffffda RBX: 00007f3adb135f80 RCX: 00007f3adaf7dff9
RDX: 0000000000018ff8 RSI: 0000000020019680 RDI: 0000000000000003
RBP: 00007f3adaff0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f3adb135f80 R15: 00007fffa3e8abd8
INFO: task syz.3.91:7211 blocked for more than 147 seconds.
Not tainted 6.15.0-syzkaller-12141-gec7714e49479 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.3.91 state:D stack:26920 pid:7211 tgid:7208 ppid:6615 task_flags:0x400040 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x116a/0x5de0 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6c7/0xb90 kernel/locking/mutex.c:747
hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
vfs_fallocate+0x60b/0x10c0 fs/open.c:341
ksys_fallocate fs/open.c:365 [inline]
__do_sys_fallocate fs/open.c:370 [inline]
__se_sys_fallocate fs/open.c:368 [inline]
__x64_sys_fallocate+0xd5/0x150 fs/open.c:368
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7f3adaf7dff9
RSP: 002b:00007f3adbd24038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007f3adb136058 RCX: 00007f3adaf7dff9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007f3adaff0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000400 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007f3adb136058 R15: 00007fffa3e8abd8
INFO: task syz.1.99:7270 blocked for more than 147 seconds.
Not tainted 6.15.0-syzkaller-12141-gec7714e49479 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.99 state:D stack:26312 pid:7270 tgid:7270 ppid:6605 task_flags:0x400040 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x116a/0x5de0 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6c7/0xb90 kernel/locking/mutex.c:747
hugetlb_fault+0x302/0x3060 mm/hugetlb.c:6686
handle_mm_fault+0xbfa/0xd10 mm/memory.c:6399
do_user_addr_fault+0x60c/0x1370 arch/x86/mm/fault.c:1336
handle_page_fault arch/x86/mm/fault.c:1476 [inline]
exc_page_fault+0x5c/0xb0 arch/x86/mm/fault.c:1532
asm_exc_page_fault+0x26/0x30 arch/x86/include/asm/idtentry.h:623
RIP: 0033:0x7fc0a3c51629
RSP: 002b:00007ffd5c74e450 EFLAGS: 00010246
RAX: 0000000000000000 RBX: 0000000000000002 RCX: ffffffffff7fffff
RDX: 15454c4a3ab91734 RSI: 0000000020800000 RDI: 0000555560c2b3c8
RBP: 00007fc0a3f37a80 R08: 00007fc0a3c00000 R09: 0000000000000008
R10: 0000000000000000 R11: 0000000000000003 R12: 0000000000020495
R13: 00007ffd5c74e550 R14: 0000000000000032 R15: fffffffffffffffe
INFO: task syz.1.99:7272 blocked for more than 148 seconds.
Not tainted 6.15.0-syzkaller-12141-gec7714e49479 #0
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
task:syz.1.99 state:D stack:26840 pid:7272 tgid:7270 ppid:6605 task_flags:0x400140 flags:0x00004004
Call Trace:
context_switch kernel/sched/core.c:5396 [inline]
__schedule+0x116a/0x5de0 kernel/sched/core.c:6785
__schedule_loop kernel/sched/core.c:6863 [inline]
schedule+0xe7/0x3a0 kernel/sched/core.c:6878
schedule_preempt_disabled+0x13/0x30 kernel/sched/core.c:6935
__mutex_lock_common kernel/locking/mutex.c:679 [inline]
__mutex_lock+0x6c7/0xb90 kernel/locking/mutex.c:747
hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
vfs_fallocate+0x60b/0x10c0 fs/open.c:341
ksys_fallocate fs/open.c:365 [inline]
__do_sys_fallocate fs/open.c:370 [inline]
__se_sys_fallocate fs/open.c:368 [inline]
__x64_sys_fallocate+0xd5/0x150 fs/open.c:368
do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]
do_syscall_64+0xcd/0x4c0 arch/x86/entry/syscall_64.c:94
entry_SYSCALL_64_after_hwframe+0x77/0x7f
RIP: 0033:0x7fc0a3d7dff9
RSP: 002b:00007fc0a4c1c038 EFLAGS: 00000246 ORIG_RAX: 000000000000011d
RAX: ffffffffffffffda RBX: 00007fc0a3f35f80 RCX: 00007fc0a3d7dff9
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000004
RBP: 00007fc0a3df0296 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000400 R11: 0000000000000246 R12: 0000000000000000
R13: 0000000000000000 R14: 00007fc0a3f35f80 R15: 00007ffd5c74e2e8
Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings
Showing all locks held in the system:
3 locks held by kworker/u8:0/12:
#0: ffff88801b881148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3213
#1: ffffc90000117d10 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3214
#2: ffffffff9034bb68 (rtnl_mutex){+.+.}-{4:4}, at: linkwatch_event+0x51/0xc0 net/core/link_watch.c:303
1 lock held by khungtaskd/31:
#0: ffffffff8e5c4cc0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:331 [inline]
#0: ffffffff8e5c4cc0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:841 [inline]
#0: ffffffff8e5c4cc0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x36/0x1c0 kernel/locking/lockdep.c:6770
2 locks held by kworker/u8:3/49:
#0: ffff88801b881148 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3213
#1: ffff8880b8424088 (&per_cpu_ptr(group->pcpu, cpu)->seq){-.-.}-{0:0}, at: psi_task_switch+0x2c1/0x8e0 kernel/sched/psi.c:987
3 locks held by kworker/u9:0/51:
#0: ffff88805bb0d148 ((wq_completion)hci12){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3213
#1: ffffc90000bc7d10 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3214
#2: ffff888061808d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x175/0x430 net/bluetooth/hci_sync.c:331
2 locks held by getty/5578:
#0: ffff8880373e10a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x24/0x80 drivers/tty/tty_ldisc.c:243
#1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x41b/0x14f0 drivers/tty/n_tty.c:2222
3 locks held by kworker/u9:3/6611:
#0: ffff88803160b948 ((wq_completion)hci10){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3213
#1: ffffc9000464fd10 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3214
#2: ffff88807b270d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x175/0x430 net/bluetooth/hci_sync.c:331
3 locks held by kworker/u9:5/6614:
#0: ffff8880577b7948 ((wq_completion)hci11){+.+.}-{0:0}, at: process_one_work+0x12a2/0x1b70 kernel/workqueue.c:3213
#1: ffffc900045bfd10 ((work_completion)(&hdev->cmd_sync_work)){+.+.}-{0:0}, at: process_one_work+0x929/0x1b70 kernel/workqueue.c:3214
#2: ffff8880577a0d80 (&hdev->req_lock){+.+.}-{4:4}, at: hci_cmd_sync_work+0x175/0x430 net/bluetooth/hci_sync.c:331
3 locks held by syz.4.83/7166:
#0: ffff88807b65ace0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock_killable include/linux/mmap_lock.h:421 [inline]
#0: ffff88807b65ace0 (&mm->mmap_lock){++++}-{4:4}, at: get_mmap_lock_carefully mm/mmap_lock.c:197 [inline]
#0: ffff88807b65ace0 (&mm->mmap_lock){++++}-{4:4}, at: lock_mm_and_find_vma+0x3e7/0x6e0 mm/mmap_lock.c:248
#1: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlb_fault+0x302/0x3060 mm/hugetlb.c:6686
#2: ffff888077f3c4e8 (&resv_map->rw_sema){++++}-{4:4}, at: hugetlb_vma_lock_read mm/hugetlb.c:309 [inline]
#2: ffff888077f3c4e8 (&resv_map->rw_sema){++++}-{4:4}, at: hugetlb_vma_lock_read+0xff/0x130 mm/hugetlb.c:300
2 locks held by syz.4.83/7168:
#0: ffff88807b65ace0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_trylock include/linux/mmap_lock.h:431 [inline]
#0: ffff88807b65ace0 (&mm->mmap_lock){++++}-{4:4}, at: get_mmap_lock_carefully mm/mmap_lock.c:188 [inline]
#0: ffff88807b65ace0 (&mm->mmap_lock){++++}-{4:4}, at: lock_mm_and_find_vma+0x35/0x6e0 mm/mmap_lock.c:248
#1: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlb_wp+0x1f3c/0x32e0 mm/hugetlb.c:6255
1 lock held by syz.3.82/7175:
#0: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: remove_inode_hugepages+0x303/0xed0 fs/hugetlbfs/inode.c:591
3 locks held by syz.0.88/7190:
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:365 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:370 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:368 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd5/0x150 fs/open.c:368
#1: ffff88807b1fcb68 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline]
#1: ffff88807b1fcb68 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x2fa/0x12e0 fs/hugetlbfs/inode.c:757
#2: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
2 locks held by syz.2.90/7202:
#0: ffff8880227ee2a0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_trylock include/linux/mmap_lock.h:431 [inline]
#0: ffff8880227ee2a0 (&mm->mmap_lock){++++}-{4:4}, at: get_mmap_lock_carefully mm/mmap_lock.c:188 [inline]
#0: ffff8880227ee2a0 (&mm->mmap_lock){++++}-{4:4}, at: lock_mm_and_find_vma+0x35/0x6e0 mm/mmap_lock.c:248
#1: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlb_fault+0x302/0x3060 mm/hugetlb.c:6686
3 locks held by syz.2.90/7205:
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:365 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:370 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:368 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd5/0x150 fs/open.c:368
#1: ffff888071ee9078 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline]
#1: ffff888071ee9078 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x2fa/0x12e0 fs/hugetlbfs/inode.c:757
#2: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
2 locks held by syz.3.91/7209:
#0: ffff8880227ecd20 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock_killable include/linux/mmap_lock.h:421 [inline]
#0: ffff8880227ecd20 (&mm->mmap_lock){++++}-{4:4}, at: get_mmap_lock_carefully mm/mmap_lock.c:197 [inline]
#0: ffff8880227ecd20 (&mm->mmap_lock){++++}-{4:4}, at: lock_mm_and_find_vma+0x3e7/0x6e0 mm/mmap_lock.c:248
#1: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlb_fault+0x302/0x3060 mm/hugetlb.c:6686
3 locks held by syz.3.91/7211:
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:365 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:370 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:368 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd5/0x150 fs/open.c:368
#1: ffff88807b1fc148 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline]
#1: ffff88807b1fc148 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x2fa/0x12e0 fs/hugetlbfs/inode.c:757
#2: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
2 locks held by syz.1.99/7270:
#0: ffff88805cffe808 (vm_lock){++++}-{0:0}, at: do_user_addr_fault+0x452/0x1370 arch/x86/mm/fault.c:1327
#1: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlb_fault+0x302/0x3060 mm/hugetlb.c:6686
3 locks held by syz.1.99/7272:
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:365 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:370 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:368 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd5/0x150 fs/open.c:368
#1: ffff888071ee9fa8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline]
#1: ffff888071ee9fa8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x2fa/0x12e0 fs/hugetlbfs/inode.c:757
#2: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
2 locks held by syz.4.113/7741:
#0: ffff888072f40ca0 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_lock_killable include/linux/mmap_lock.h:421 [inline]
#0: ffff888072f40ca0 (&mm->mmap_lock){++++}-{4:4}, at: get_mmap_lock_carefully mm/mmap_lock.c:197 [inline]
#0: ffff888072f40ca0 (&mm->mmap_lock){++++}-{4:4}, at: lock_mm_and_find_vma+0x3e7/0x6e0 mm/mmap_lock.c:248
#1: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlb_fault+0x302/0x3060 mm/hugetlb.c:6686
3 locks held by syz.4.113/7743:
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:365 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:370 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:368 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd5/0x150 fs/open.c:368
#1: ffff888071eea4b8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline]
#1: ffff888071eea4b8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x2fa/0x12e0 fs/hugetlbfs/inode.c:757
#2: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
2 locks held by syz.2.127/7814:
#0: ffff88805b521760 (&mm->mmap_lock){++++}-{4:4}, at: mmap_read_trylock include/linux/mmap_lock.h:431 [inline]
#0: ffff88805b521760 (&mm->mmap_lock){++++}-{4:4}, at: get_mmap_lock_carefully mm/mmap_lock.c:188 [inline]
#0: ffff88805b521760 (&mm->mmap_lock){++++}-{4:4}, at: lock_mm_and_find_vma+0x35/0x6e0 mm/mmap_lock.c:248
#1: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlb_fault+0x302/0x3060 mm/hugetlb.c:6686
3 locks held by syz.2.127/7816:
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:365 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:370 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:368 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd5/0x150 fs/open.c:368
#1: ffff888032df38f8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline]
#1: ffff888032df38f8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x2fa/0x12e0 fs/hugetlbfs/inode.c:757
#2: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
3 locks held by syz.3.142/7891:
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:365 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:370 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:368 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd5/0x150 fs/open.c:368
#1: ffff88807b1ff3e8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline]
#1: ffff88807b1ff3e8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x2fa/0x12e0 fs/hugetlbfs/inode.c:757
#2: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
3 locks held by syz.1.169/8005:
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:365 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:370 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:368 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd5/0x150 fs/open.c:368
#1: ffff888073dd9078 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline]
#1: ffff888073dd9078 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x2fa/0x12e0 fs/hugetlbfs/inode.c:757
#2: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
3 locks held by syz.0.179/8038:
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:365 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:370 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:368 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd5/0x150 fs/open.c:368
#1: ffff888058b18658 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline]
#1: ffff888058b18658 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x2fa/0x12e0 fs/hugetlbfs/inode.c:757
#2: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
3 locks held by syz.2.308/8619:
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:365 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:370 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:368 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd5/0x150 fs/open.c:368
#1: ffff888058bc33e8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline]
#1: ffff888058bc33e8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x2fa/0x12e0 fs/hugetlbfs/inode.c:757
#2: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
3 locks held by syz.3.405/9022:
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:365 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:370 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:368 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd5/0x150 fs/open.c:368
#1: ffff888074814658 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline]
#1: ffff888074814658 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x2fa/0x12e0 fs/hugetlbfs/inode.c:757
#2: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
3 locks held by syz.3.1986/15389:
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:365 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:370 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:368 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd5/0x150 fs/open.c:368
#1: ffff888053999fa8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline]
#1: ffff888053999fa8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x2fa/0x12e0 fs/hugetlbfs/inode.c:757
#2: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
3 locks held by syz.4.2507/17489:
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:365 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:370 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:368 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd5/0x150 fs/open.c:368
#1: ffff888057d738f8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline]
#1: ffff888057d738f8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x2fa/0x12e0 fs/hugetlbfs/inode.c:757
#2: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
3 locks held by syz.0.2592/17834:
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:365 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:370 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:368 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd5/0x150 fs/open.c:368
#1: ffff888058b15078 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline]
#1: ffff888058b15078 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x2fa/0x12e0 fs/hugetlbfs/inode.c:757
#2: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
3 locks held by syz.3.2601/17876:
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: ksys_fallocate fs/open.c:365 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __do_sys_fallocate fs/open.c:370 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __se_sys_fallocate fs/open.c:368 [inline]
#0: ffff8881452f4428 (sb_writers#13){.+.+}-{0:0}, at: __x64_sys_fallocate+0xd5/0x150 fs/open.c:368
#1: ffff888058b169c8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: inode_lock include/linux/fs.h:867 [inline]
#1: ffff888058b169c8 (&sb->s_type->i_mutex_key#20){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x2fa/0x12e0 fs/hugetlbfs/inode.c:757
#2: ffff8881432f80f8 (&hugetlb_fault_mutex_table[i]){+.+.}-{4:4}, at: hugetlbfs_fallocate+0x5fa/0x12e0 fs/hugetlbfs/inode.c:801
1 lock held by syz-executor/18380:
#0: ffffffff9034bb68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_net_lock include/linux/rtnetlink.h:130 [inline]
#0: ffffffff9034bb68 (rtnl_mutex){+.+.}-{4:4}, at: inet_rtm_newaddr+0x30c/0x1540 net/ipv4/devinet.c:979
9 locks held by syz-executor/18591:
#0: ffff88803763e428 (sb_writers#8){.+.+}-{0:0}, at: ksys_write+0x12a/0x250 fs/read_write.c:738
#1: ffff888057eaec88 (&of->mutex){+.+.}-{4:4}, at: kernfs_fop_write_iter+0x28f/0x510 fs/kernfs/file.c:325
#2: ffff888028b32788 (kn->active#58){.+.+}-{0:0}, at: kernfs_fop_write_iter+0x2b2/0x510 fs/kernfs/file.c:326
#3: ffffffff8f8ea1c8 (nsim_bus_dev_list_lock){+.+.}-{4:4}, at: del_device_store+0xd1/0x4a0 drivers/net/netdevsim/bus.c:216
#4: ffff88807abf20e8 (&dev->mutex){....}-{4:4}, at: device_lock include/linux/device.h:884 [inline]
#4: ffff88807abf20e8 (&dev->mutex){....}-{4:4}, at: __device_driver_lock drivers/base/dd.c:1094 [inline]
#4: ffff88807abf20e8 (&dev->mutex){....}-{4:4}, at: device_release_driver_internal+0xa4/0x620 drivers/base/dd.c:1292
#5: ffff88807abf6250 (&devlink->lock_key#18){+.+.}-{4:4}, at: nsim_drv_remove+0x4a/0x1d0 drivers/net/netdevsim/dev.c:1675
#6: ffffffff9034bb68 (rtnl_mutex){+.+.}-{4:4}, at: nsim_destroy+0xfc/0x5d0 drivers/net/netdevsim/netdev.c:1063
#7: ffff8880344d4d30 (&dev_instance_lock_key#20){+.+.}-{4:4}, at: netdev_lock include/linux/netdevice.h:2756 [inline]
#7: ffff8880344d4d30 (&dev_instance_lock_key#20){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:42 [inline]
#7: ffff8880344d4d30 (&dev_instance_lock_key#20){+.+.}-{4:4}, at: netdev_lock_ops include/net/netdev_lock.h:39 [inline]
#7: ffff8880344d4d30 (&dev_instance_lock_key#20){+.+.}-{4:4}, at: unregister_netdevice_many_notify+0xb2c/0x26f0 net/core/dev.c:12063
#8: ffffffff8e5d0278 (rcu_state.exp_mutex){+.+.}-{4:4}, at: exp_funnel_lock+0x284/0x3c0 kernel/rcu/tree_exp.h:304
2 locks held by syz-executor/18618:
#0: ffffffff8f89dec0 (&ops->srcu#2){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:161 [inline]
#0: ffffffff8f89dec0 (&ops->srcu#2){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:253 [inline]
#0: ffffffff8f89dec0 (&ops->srcu#2){.+.+}-{0:0}, at: rtnl_link_ops_get+0x113/0x2c0 net/core/rtnetlink.c:574
#1: ffffffff9034bb68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_lock net/core/rtnetlink.c:80 [inline]
#1: ffffffff9034bb68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_nets_lock net/core/rtnetlink.c:341 [inline]
#1: ffffffff9034bb68 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x600/0x2000 net/core/rtnetlink.c:4054
1 lock held by syz.1.2936/19233:
#0: ffff8880b853bc98 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x29/0x130 kernel/sched/core.c:606
1 lock held by syz.2.2935/19235:
=============================================
NMI backtrace for cpu 0
CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.15.0-syzkaller-12141-gec7714e49479 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Call Trace:
__dump_stack lib/dump_stack.c:94 [inline]
dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:120
nmi_cpu_backtrace+0x27b/0x390 lib/nmi_backtrace.c:113
nmi_trigger_cpumask_backtrace+0x29c/0x300 lib/nmi_backtrace.c:62
trigger_all_cpu_backtrace include/linux/nmi.h:158 [inline]
check_hung_uninterruptible_tasks kernel/hung_task.c:307 [inline]
watchdog+0xf70/0x12c0 kernel/hung_task.c:470
kthread+0x3c5/0x780 kernel/kthread.c:464
ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
Sending NMI from CPU 0 to CPUs 1:
NMI backtrace for cpu 1
CPU: 1 UID: 0 PID: 6850 Comm: kworker/1:5 Not tainted 6.15.0-syzkaller-12141-gec7714e49479 #0 PREEMPT(full)
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025
Workqueue: events drain_vmap_area_work
RIP: 0010:PagePoisoned include/linux/page-flags.h:331 [inline]
RIP: 0010:PageHead include/linux/page-flags.h:872 [inline]
RIP: 0010:___free_pages+0x25/0x220 mm/page_alloc.c:5056
Code: 90 90 90 90 90 48 b8 00 00 00 00 00 fc ff df 41 56 41 89 f6 41 55 41 54 49 89 fc 55 53 89 d3 48 89 fa 48 c1 ea 03 80 3c 02 00 <0f> 85 c2 01 00 00 49 8b 04 24 48 83 f8 ff 0f 84 83 01 00 00 be 08
RSP: 0018:ffffc9000415f960 EFLAGS: 00000246
RAX: dffffc0000000000 RBX: 0000000000000000 RCX: dffffc0000000000
RDX: 1ffffd400027cd70 RSI: 0000000000000000 RDI: ffffea00013e6b80
RBP: ffff888021f74160 R08: 0000000000000007 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000001 R12: ffffea00013e6b80
R13: fffff5200062d000 R14: 0000000000000000 R15: 0000000000000000
FS: 0000000000000000(0000) GS:ffff88812485a000(0000) knlGS:0000000000000000
CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007f87b10656c0 CR3: 000000000e382000 CR4: 00000000003526f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
kasan_depopulate_vmalloc_pte+0x5f/0x80 mm/kasan/shadow.c:472
apply_to_pte_range mm/memory.c:3032 [inline]
apply_to_pmd_range mm/memory.c:3076 [inline]
apply_to_pud_range mm/memory.c:3112 [inline]
apply_to_p4d_range mm/memory.c:3148 [inline]
__apply_to_page_range+0xa8f/0x1350 mm/memory.c:3184
kasan_release_vmalloc+0xd1/0xe0 mm/kasan/shadow.c:593
kasan_release_vmalloc_node mm/vmalloc.c:2241 [inline]
purge_vmap_node+0x1c4/0xa30 mm/vmalloc.c:2258
__purge_vmap_area_lazy+0xa06/0xc60 mm/vmalloc.c:2348
drain_vmap_area_work+0x27/0x40 mm/vmalloc.c:2382
process_one_work+0x9cf/0x1b70 kernel/workqueue.c:3238
process_scheduled_works kernel/workqueue.c:3321 [inline]
worker_thread+0x6c8/0xf10 kernel/workqueue.c:3402
kthread+0x3c5/0x780 kernel/kthread.c:464
ret_from_fork+0x5d4/0x6f0 arch/x86/kernel/process.c:148
ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245