INFO: task kworker/1:1:5155 blocked for more than 143 seconds. Not tainted 6.2.0-rc5-syzkaller-00108-g83abd4d4c4be #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:28176 pid:5155 ppid:2 flags:0x00004000 Workqueue: events_long flush_old_commits Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xb8a/0x5450 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747 reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 reiserfs_sync_fs+0x81/0x130 fs/reiserfs/super.c:76 flush_old_commits+0xfb/0x200 fs/reiserfs/super.c:111 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 worker_thread+0x669/0x1090 kernel/workqueue.c:2436 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 INFO: task kworker/0:1:5159 blocked for more than 143 seconds. Not tainted 6.2.0-rc5-syzkaller-00108-g83abd4d4c4be #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/0:1 state:D stack:28672 pid:5159 ppid:2 flags:0x00004000 Workqueue: events_long flush_old_commits Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xb8a/0x5450 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747 reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 reiserfs_sync_fs+0x81/0x130 fs/reiserfs/super.c:76 flush_old_commits+0xfb/0x200 fs/reiserfs/super.c:111 process_one_work+0x9bf/0x1710 kernel/workqueue.c:2289 worker_thread+0x669/0x1090 kernel/workqueue.c:2436 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 INFO: task syz-executor113:6668 blocked for more than 143 seconds. Not tainted 6.2.0-rc5-syzkaller-00108-g83abd4d4c4be #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor113 state:D stack:24592 pid:6668 ppid:5113 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xb8a/0x5450 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rwsem_down_write_slowpath+0x600/0x12e0 kernel/locking/rwsem.c:1190 __down_write_common kernel/locking/rwsem.c:1305 [inline] __down_write_common kernel/locking/rwsem.c:1302 [inline] __down_write kernel/locking/rwsem.c:1314 [inline] down_write+0x1e8/0x220 kernel/locking/rwsem.c:1563 inode_lock include/linux/fs.h:756 [inline] generic_file_write_iter+0x92/0x350 mm/filemap.c:3929 call_write_iter include/linux/fs.h:2189 [inline] do_iter_readv_writev+0x20b/0x3b0 fs/read_write.c:735 do_iter_write+0x182/0x700 fs/read_write.c:861 vfs_iter_write+0x74/0xa0 fs/read_write.c:902 iter_file_splice_write+0x745/0xc90 fs/splice.c:686 do_splice_from fs/splice.c:764 [inline] direct_splice_actor+0x114/0x180 fs/splice.c:931 splice_direct_to_actor+0x335/0x8a0 fs/splice.c:886 do_splice_direct+0x1ab/0x280 fs/splice.c:974 do_sendfile+0xb19/0x1270 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64 fs/read_write.c:1309 [inline] __x64_sys_sendfile64+0x1d0/0x210 fs/read_write.c:1309 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f760ed4a6b9 RSP: 002b:00007f760ecf62f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f760edd07a0 RCX: 00007f760ed4a6b9 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f760ed9d1d8 R08: 0000000000000000 R09: 0000000000000000 R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0030656c69662f2e R13: 7366726573696572 R14: 65732f636f72702f R15: 00007f760edd07a8 INFO: task syz-executor113:6683 blocked for more than 144 seconds. Not tainted 6.2.0-rc5-syzkaller-00108-g83abd4d4c4be #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor113 state:D stack:23488 pid:6683 ppid:5113 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xb8a/0x5450 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747 reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 reiserfs_get_block+0x1f6/0x4150 fs/reiserfs/inode.c:680 do_mpage_readpage+0x765/0x19e0 fs/mpage.c:208 mpage_readahead+0x344/0x580 fs/mpage.c:361 read_pages+0x1a2/0xd40 mm/readahead.c:161 page_cache_ra_unbounded+0x477/0x5e0 mm/readahead.c:270 do_page_cache_ra mm/readahead.c:300 [inline] page_cache_ra_order+0x6ec/0xa00 mm/readahead.c:560 ondemand_readahead+0x6b3/0x1000 mm/readahead.c:682 page_cache_sync_ra+0x1c9/0x200 mm/readahead.c:709 page_cache_sync_readahead include/linux/pagemap.h:1210 [inline] filemap_get_pages+0x2ca/0x16b0 mm/filemap.c:2600 filemap_read+0x315/0xc00 mm/filemap.c:2694 generic_file_read_iter+0x3ad/0x5b0 mm/filemap.c:2840 __kernel_read+0x2ca/0x7c0 fs/read_write.c:428 integrity_kernel_read+0x7f/0xb0 security/integrity/iint.c:199 ima_calc_file_hash_tfm+0x2aa/0x3b0 security/integrity/ima/ima_crypto.c:485 ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline] ima_calc_file_hash+0x195/0x4a0 security/integrity/ima/ima_crypto.c:573 ima_collect_measurement+0x642/0x7b0 security/integrity/ima/ima_api.c:292 process_measurement+0xd23/0x18b0 security/integrity/ima/ima_main.c:339 ima_file_check+0xb0/0x100 security/integrity/ima/ima_main.c:519 do_open fs/namei.c:3559 [inline] path_openat+0x15f1/0x2a50 fs/namei.c:3714 do_filp_open+0x1ba/0x410 fs/namei.c:3741 do_sys_openat2+0x16d/0x4c0 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_open fs/open.c:1334 [inline] __se_sys_open fs/open.c:1330 [inline] __x64_sys_open+0x11d/0x1c0 fs/open.c:1330 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f760ed4a6b9 RSP: 002b:00007f7606cd52f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f760edd07b0 RCX: 00007f760ed4a6b9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000200 RBP: 00007f760ed9d1d8 R08: 00007f7606cd5700 R09: 0000000000000000 R10: 00007f7606cd5700 R11: 0000000000000246 R12: 0030656c69662f2e R13: 7366726573696572 R14: 65732f636f72702f R15: 00007f760edd07b8 INFO: task syz-executor113:6687 blocked for more than 144 seconds. Not tainted 6.2.0-rc5-syzkaller-00108-g83abd4d4c4be #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor113 state:D stack:28992 pid:6687 ppid:5113 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xb8a/0x5450 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 io_schedule+0xbe/0x130 kernel/sched/core.c:8868 folio_wait_bit_common+0x394/0x9b0 mm/filemap.c:1297 __folio_lock mm/filemap.c:1660 [inline] folio_lock include/linux/pagemap.h:938 [inline] folio_lock include/linux/pagemap.h:934 [inline] __filemap_get_folio+0xb71/0xd80 mm/filemap.c:1932 pagecache_get_page+0x2e/0x280 mm/folio-compat.c:98 find_or_create_page include/linux/pagemap.h:612 [inline] grab_cache_page include/linux/pagemap.h:742 [inline] grab_tail_page fs/reiserfs/inode.c:2201 [inline] reiserfs_truncate_file+0x5bb/0x1070 fs/reiserfs/inode.c:2269 reiserfs_setattr+0xed3/0x1460 fs/reiserfs/inode.c:3395 notify_change+0xca7/0x1420 fs/attr.c:482 do_truncate+0x143/0x200 fs/open.c:65 vfs_truncate+0x3c2/0x490 fs/open.c:111 do_sys_truncate.part.0+0x11e/0x140 fs/open.c:134 do_sys_truncate fs/open.c:128 [inline] __do_sys_truncate fs/open.c:146 [inline] __se_sys_truncate fs/open.c:144 [inline] __x64_sys_truncate+0x6d/0xa0 fs/open.c:144 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f760ed4a6b9 RSP: 002b:00007f7606cb42f8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007f760edd07c0 RCX: 00007f760ed4a6b9 RDX: 00007f7606cb4700 RSI: 0000000000000006 RDI: 00000000200001c0 RBP: 00007f760ed9d1d8 R08: 00007f7606cb4700 R09: 0000000000000000 R10: 00007f7606cb4700 R11: 0000000000000246 R12: 0030656c69662f2e R13: 7366726573696572 R14: 65732f636f72702f R15: 00007f760edd07c8 INFO: task syz-executor113:7518 blocked for more than 145 seconds. Not tainted 6.2.0-rc5-syzkaller-00108-g83abd4d4c4be #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor113 state:D stack:24592 pid:7518 ppid:5116 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xb8a/0x5450 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 rwsem_down_write_slowpath+0x600/0x12e0 kernel/locking/rwsem.c:1190 __down_write_common kernel/locking/rwsem.c:1305 [inline] __down_write_common kernel/locking/rwsem.c:1302 [inline] __down_write kernel/locking/rwsem.c:1314 [inline] down_write+0x1e8/0x220 kernel/locking/rwsem.c:1563 inode_lock include/linux/fs.h:756 [inline] generic_file_write_iter+0x92/0x350 mm/filemap.c:3929 call_write_iter include/linux/fs.h:2189 [inline] do_iter_readv_writev+0x20b/0x3b0 fs/read_write.c:735 do_iter_write+0x182/0x700 fs/read_write.c:861 vfs_iter_write+0x74/0xa0 fs/read_write.c:902 iter_file_splice_write+0x745/0xc90 fs/splice.c:686 do_splice_from fs/splice.c:764 [inline] direct_splice_actor+0x114/0x180 fs/splice.c:931 splice_direct_to_actor+0x335/0x8a0 fs/splice.c:886 do_splice_direct+0x1ab/0x280 fs/splice.c:974 do_sendfile+0xb19/0x1270 fs/read_write.c:1255 __do_sys_sendfile64 fs/read_write.c:1323 [inline] __se_sys_sendfile64 fs/read_write.c:1309 [inline] __x64_sys_sendfile64+0x1d0/0x210 fs/read_write.c:1309 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f760ed4a6b9 RSP: 002b:00007f760ecf62f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000028 RAX: ffffffffffffffda RBX: 00007f760edd07a0 RCX: 00007f760ed4a6b9 RDX: 0000000000000000 RSI: 0000000000000005 RDI: 0000000000000004 RBP: 00007f760ed9d1d8 R08: 0000000000000000 R09: 0000000000000000 R10: 000080001d00c0d0 R11: 0000000000000246 R12: 0030656c69662f2e R13: 7366726573696572 R14: 65732f636f72702f R15: 00007f760edd07a8 INFO: task syz-executor113:7529 blocked for more than 145 seconds. Not tainted 6.2.0-rc5-syzkaller-00108-g83abd4d4c4be #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor113 state:D stack:23752 pid:7529 ppid:5116 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xb8a/0x5450 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 schedule_preempt_disabled+0x13/0x20 kernel/sched/core.c:6741 __mutex_lock_common kernel/locking/mutex.c:679 [inline] __mutex_lock+0xa48/0x1360 kernel/locking/mutex.c:747 reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 reiserfs_get_block+0x1f6/0x4150 fs/reiserfs/inode.c:680 do_mpage_readpage+0x765/0x19e0 fs/mpage.c:208 mpage_readahead+0x344/0x580 fs/mpage.c:361 read_pages+0x1a2/0xd40 mm/readahead.c:161 page_cache_ra_unbounded+0x477/0x5e0 mm/readahead.c:270 do_page_cache_ra mm/readahead.c:300 [inline] page_cache_ra_order+0x6ec/0xa00 mm/readahead.c:560 ondemand_readahead+0x6b3/0x1000 mm/readahead.c:682 page_cache_sync_ra+0x1c9/0x200 mm/readahead.c:709 page_cache_sync_readahead include/linux/pagemap.h:1210 [inline] filemap_get_pages+0x2ca/0x16b0 mm/filemap.c:2600 filemap_read+0x315/0xc00 mm/filemap.c:2694 generic_file_read_iter+0x3ad/0x5b0 mm/filemap.c:2840 __kernel_read+0x2ca/0x7c0 fs/read_write.c:428 integrity_kernel_read+0x7f/0xb0 security/integrity/iint.c:199 ima_calc_file_hash_tfm+0x2aa/0x3b0 security/integrity/ima/ima_crypto.c:485 ima_calc_file_shash security/integrity/ima/ima_crypto.c:516 [inline] ima_calc_file_hash+0x195/0x4a0 security/integrity/ima/ima_crypto.c:573 ima_collect_measurement+0x642/0x7b0 security/integrity/ima/ima_api.c:292 process_measurement+0xd23/0x18b0 security/integrity/ima/ima_main.c:339 ima_file_check+0xb0/0x100 security/integrity/ima/ima_main.c:519 do_open fs/namei.c:3559 [inline] path_openat+0x15f1/0x2a50 fs/namei.c:3714 do_filp_open+0x1ba/0x410 fs/namei.c:3741 do_sys_openat2+0x16d/0x4c0 fs/open.c:1310 do_sys_open fs/open.c:1326 [inline] __do_sys_open fs/open.c:1334 [inline] __se_sys_open fs/open.c:1330 [inline] __x64_sys_open+0x11d/0x1c0 fs/open.c:1330 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f760ed4a6b9 RSP: 002b:00007f7606cd52f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000002 RAX: ffffffffffffffda RBX: 00007f760edd07b0 RCX: 00007f760ed4a6b9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000200 RBP: 00007f760ed9d1d8 R08: 00007f7606cd5700 R09: 0000000000000000 R10: 00007f7606cd5700 R11: 0000000000000246 R12: 0030656c69662f2e R13: 7366726573696572 R14: 65732f636f72702f R15: 00007f760edd07b8 INFO: task syz-executor113:7532 blocked for more than 146 seconds. Not tainted 6.2.0-rc5-syzkaller-00108-g83abd4d4c4be #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor113 state:D stack:28984 pid:7532 ppid:5116 flags:0x00004004 Call Trace: context_switch kernel/sched/core.c:5293 [inline] __schedule+0xb8a/0x5450 kernel/sched/core.c:6606 schedule+0xde/0x1b0 kernel/sched/core.c:6682 io_schedule+0xbe/0x130 kernel/sched/core.c:8868 folio_wait_bit_common+0x394/0x9b0 mm/filemap.c:1297 __folio_lock mm/filemap.c:1660 [inline] folio_lock include/linux/pagemap.h:938 [inline] folio_lock include/linux/pagemap.h:934 [inline] __filemap_get_folio+0xb71/0xd80 mm/filemap.c:1932 pagecache_get_page+0x2e/0x280 mm/folio-compat.c:98 find_or_create_page include/linux/pagemap.h:612 [inline] grab_cache_page include/linux/pagemap.h:742 [inline] grab_tail_page fs/reiserfs/inode.c:2201 [inline] reiserfs_truncate_file+0x5bb/0x1070 fs/reiserfs/inode.c:2269 reiserfs_setattr+0xed3/0x1460 fs/reiserfs/inode.c:3395 notify_change+0xca7/0x1420 fs/attr.c:482 do_truncate+0x143/0x200 fs/open.c:65 vfs_truncate+0x3c2/0x490 fs/open.c:111 do_sys_truncate.part.0+0x11e/0x140 fs/open.c:134 do_sys_truncate fs/open.c:128 [inline] __do_sys_truncate fs/open.c:146 [inline] __se_sys_truncate fs/open.c:144 [inline] __x64_sys_truncate+0x6d/0xa0 fs/open.c:144 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x39/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x63/0xcd RIP: 0033:0x7f760ed4a6b9 RSP: 002b:00007f7606cb42f8 EFLAGS: 00000246 ORIG_RAX: 000000000000004c RAX: ffffffffffffffda RBX: 00007f760edd07c0 RCX: 00007f760ed4a6b9 RDX: 00007f7606cb4700 RSI: 0000000000000006 RDI: 00000000200001c0 RBP: 00007f760ed9d1d8 R08: 00007f7606cb4700 R09: 0000000000000000 R10: 00007f7606cb4700 R11: 0000000000000246 R12: 0030656c69662f2e R13: 7366726573696572 R14: 65732f636f72702f R15: 00007f760edd07c8 Showing all locks held in the system: 1 lock held by rcu_tasks_kthre/12: #0: ffffffff8c790fb0 (rcu_tasks.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 1 lock held by rcu_tasks_trace/13: #0: ffffffff8c790cb0 (rcu_tasks_trace.tasks_gp_mutex){+.+.}-{3:3}, at: rcu_tasks_one_gp+0x26/0xc70 kernel/rcu/tasks.h:507 1 lock held by khungtaskd/28: #0: ffffffff8c791b00 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x57/0x264 kernel/locking/lockdep.c:6494 4 locks held by kworker/1:2/892: #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260 #1: ffffc90004ad7da8 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264 #2: ffff88806f50c0e0 (&type->s_umount_key#41){++++}-{3:3}, at: flush_old_commits+0x7c/0x200 fs/reiserfs/super.c:97 #3: ffff88801e1b4090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 2 locks held by getty/4750: #0: ffff88814aad7098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x26/0x80 drivers/tty/tty_ldisc.c:244 #1: ffffc900015b02f0 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0xef4/0x13e0 drivers/tty/n_tty.c:2177 1 lock held by syz-executor113/5111: #0: ffffffff8c79c7b8 ( rcu_state.exp_mutex ){+.+.}-{3:3}, at: exp_funnel_lock kernel/rcu/tree_exp.h:324 [inline] ){+.+.}-{3:3}, at: synchronize_rcu_expedited+0x24f/0x780 kernel/rcu/tree_exp.h:946 4 locks held by kworker/1:1/5155: #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260 #1: ffffc90003e9fda8 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264 #2: ffff8880175200e0 (&type->s_umount_key#41){++++}-{3:3}, at: flush_old_commits+0x7c/0x200 fs/reiserfs/super.c:97 #3: ffff88801e1b6090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 4 locks held by kworker/0:1/5159: #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260 #1: ffffc90003ebfda8 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264 #2: ffff88801df500e0 (&type->s_umount_key#41){++++}-{3:3}, at: flush_old_commits+0x7c/0x200 fs/reiserfs/super.c:97 #3: ffff88801801f090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 2 locks held by syz-executor113/6668: #0: ffff888017520460 (sb_writers#9){.+.+}-{0:0}, at: __do_sys_sendfile64 fs/read_write.c:1323 [inline] #0: ffff888017520460 (sb_writers#9){.+.+}-{0:0}, at: __se_sys_sendfile64 fs/read_write.c:1309 [inline] #0: ffff888017520460 (sb_writers#9){.+.+}-{0:0}, at: __x64_sys_sendfile64+0x1d0/0x210 fs/read_write.c:1309 #1: ffff8880787e6640 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff8880787e6640 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: generic_file_write_iter+0x92/0x350 mm/filemap.c:3929 3 locks held by syz-executor113/6683: #0: ffff88801cceb3e0 (&iint->mutex){+.+.}-{3:3}, at: process_measurement+0x3ab/0x18b0 security/integrity/ima/ima_main.c:260 #1: ffff8880787e67e0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] #1: ffff8880787e67e0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x153/0x5e0 mm/readahead.c:226 #2: ffff88801e1b6090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 4 locks held by syz-executor113/6687: #0: ffff888017520460 (sb_writers#9){.+.+}-{0:0}, at: vfs_truncate+0xee/0x490 fs/open.c:84 #1: ffff8880787e6640 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff8880787e6640 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: do_truncate+0x131/0x200 fs/open.c:63 #2: ffff8880787e6418 (&ei->tailpack){+.+.}-{3:3}, at: reiserfs_setattr+0xe9d/0x1460 fs/reiserfs/inode.c:3393 #3: ffff88801e1b6090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 2 locks held by syz-executor113/7518: #0: ffff88801df50460 (sb_writers#9){.+.+}-{0:0}, at: __do_sys_sendfile64 fs/read_write.c:1323 [inline] #0: ffff88801df50460 (sb_writers#9){.+.+}-{0:0}, at: __se_sys_sendfile64 fs/read_write.c:1309 [inline] #0: ffff88801df50460 (sb_writers#9){.+.+}-{0:0}, at: __x64_sys_sendfile64+0x1d0/0x210 fs/read_write.c:1309 #1: ffff88807498aaa0 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff88807498aaa0 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: generic_file_write_iter+0x92/0x350 mm/filemap.c:3929 3 locks held by syz-executor113/7529: #0: ffff88801d54c080 (&iint->mutex){+.+.}-{3:3}, at: process_measurement+0x3ab/0x18b0 security/integrity/ima/ima_main.c:260 #1: ffff88807498ac40 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] #1: ffff88807498ac40 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x153/0x5e0 mm/readahead.c:226 #2: ffff88801801f090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 4 locks held by syz-executor113/7532: #0: ffff88801df50460 (sb_writers#9){.+.+}-{0:0}, at: vfs_truncate+0xee/0x490 fs/open.c:84 #1: ffff88807498aaa0 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff88807498aaa0 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: do_truncate+0x131/0x200 fs/open.c:63 #2: ffff88807498a878 (&ei->tailpack){+.+.}-{3:3}, at: reiserfs_setattr+0xe9d/0x1460 fs/reiserfs/inode.c:3393 #3: ffff88801801f090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 4 locks held by kworker/0:3/7687: #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888012471538 ((wq_completion)events_long){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260 #1: ffffc9000b05fda8 ((work_completion)(&(&sbi->old_work)->work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264 #2: ffff88807dd020e0 (&type->s_umount_key#41){++++}-{3:3}, at: flush_old_commits+0x7c/0x200 fs/reiserfs/super.c:97 #3: ffff888029377090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 2 locks held by syz-executor113/8143: #0: ffff88806f50c460 (sb_writers#9){.+.+}-{0:0}, at: __do_sys_sendfile64 fs/read_write.c:1323 [inline] #0: ffff88806f50c460 (sb_writers#9){.+.+}-{0:0}, at: __se_sys_sendfile64 fs/read_write.c:1309 [inline] #0: ffff88806f50c460 (sb_writers#9){.+.+}-{0:0}, at: __x64_sys_sendfile64+0x1d0/0x210 fs/read_write.c:1309 #1: ffff88806f8cbe80 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff88806f8cbe80 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: reiserfs_sync_file+0xab/0x320 fs/reiserfs/file.c:155 3 locks held by syz-executor113/8150: #0: ffff88801e756980 (&iint->mutex){+.+.}-{3:3}, at: process_measurement+0x3ab/0x18b0 security/integrity/ima/ima_main.c:260 #1: ffff88806f8cc020 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] #1: ffff88806f8cc020 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x153/0x5e0 mm/readahead.c:226 #2: ffff88801e1b4090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 4 locks held by syz-executor113/8152: #0: ffff88806f50c460 (sb_writers#9){.+.+}-{0:0}, at: vfs_truncate+0xee/0x490 fs/open.c:84 #1: ffff88806f8cbe80 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff88806f8cbe80 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: do_truncate+0x131/0x200 fs/open.c:63 #2: ffff88806f8cbc58 (&ei->tailpack){+.+.}-{3:3}, at: reiserfs_setattr+0xe9d/0x1460 fs/reiserfs/inode.c:3393 #3: ffff88801e1b4090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 2 locks held by syz-executor113/8329: #0: ffff88807dd02460 (sb_writers#9){.+.+}-{0:0}, at: __do_sys_sendfile64 fs/read_write.c:1323 [inline] #0: ffff88807dd02460 (sb_writers#9){.+.+}-{0:0}, at: __se_sys_sendfile64 fs/read_write.c:1309 [inline] #0: ffff88807dd02460 (sb_writers#9){.+.+}-{0:0}, at: __x64_sys_sendfile64+0x1d0/0x210 fs/read_write.c:1309 #1: ffff88806f942400 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff88806f942400 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: reiserfs_sync_file+0xab/0x320 fs/reiserfs/file.c:155 3 locks held by syz-executor113/8336: #0: ffff88801d54cbc0 (&iint->mutex){+.+.}-{3:3}, at: process_measurement+0x3ab/0x18b0 security/integrity/ima/ima_main.c:260 #1: ffff88806f9425a0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: filemap_invalidate_lock_shared include/linux/fs.h:811 [inline] #1: ffff88806f9425a0 (mapping.invalidate_lock#3){.+.+}-{3:3}, at: page_cache_ra_unbounded+0x153/0x5e0 mm/readahead.c:226 #2: ffff888029377090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 4 locks held by syz-executor113/8337: #0: ffff88807dd02460 (sb_writers#9){.+.+}-{0:0}, at: vfs_truncate+0xee/0x490 fs/open.c:84 #1: ffff88806f942400 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:756 [inline] #1: ffff88806f942400 (&sb->s_type->i_mutex_key#15){+.+.}-{3:3}, at: do_truncate+0x131/0x200 fs/open.c:63 #2: ffff88806f9421d8 (&ei->tailpack){+.+.}-{3:3}, at: reiserfs_setattr+0xe9d/0x1460 fs/reiserfs/inode.c:3393 #3: ffff888029377090 (&sbi->lock){+.+.}-{3:3}, at: reiserfs_write_lock+0x79/0x100 fs/reiserfs/lock.c:27 2 locks held by kworker/0:4/8689: #0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic64_set arch/x86/include/asm/atomic64_64.h:34 [inline] #0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: arch_atomic_long_set include/linux/atomic/atomic-long.h:41 [inline] #0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: atomic_long_set include/linux/atomic/atomic-instrumented.h:1280 [inline] #0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_data kernel/workqueue.c:636 [inline] #0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: set_work_pool_and_clear_pending kernel/workqueue.c:663 [inline] #0: ffff888012472538 ((wq_completion)rcu_gp){+.+.}-{0:0}, at: process_one_work+0x86d/0x1710 kernel/workqueue.c:2260 #1: ffffc9000ac57da8 ((work_completion)(&rew->rew_work)){+.+.}-{0:0}, at: process_one_work+0x8a1/0x1710 kernel/workqueue.c:2264 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 28 Comm: khungtaskd Not tainted 6.2.0-rc5-syzkaller-00108-g83abd4d4c4be #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0xd1/0x138 lib/dump_stack.c:106 nmi_cpu_backtrace.cold+0x24/0x18a lib/nmi_backtrace.c:111 nmi_trigger_cpumask_backtrace+0x333/0x3c0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:148 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:220 [inline] watchdog+0xc75/0xfc0 kernel/hung_task.c:377 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 15 Comm: ksoftirqd/0 Not tainted 6.2.0-rc5-syzkaller-00108-g83abd4d4c4be #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:__lock_acquire+0x389/0x56d0 kernel/locking/lockdep.c:4993 Code: 09 c7 8b 44 24 08 48 c1 ea 03 c1 e0 12 25 00 00 04 00 41 09 c7 8b 84 24 58 01 00 00 45 09 f9 c1 e0 14 41 09 c1 41 8b 44 24 20 <25> ff 1f 00 00 41 09 c1 48 b8 00 00 00 00 00 fc ff df 45 89 4c 24 RSP: 0018:ffffc900001479e0 EFLAGS: 00000006 RAX: 00000000000c2000 RBX: ffff88813fe5c4b8 RCX: 0000000000000000 RDX: 1ffff11027fcb89b RSI: 0000000000000004 RDI: ffff88813fe5c4dc RBP: 0000000000000000 R08: 0000000000000001 R09: 00000000000c2000 R10: fffffbfff1ce5e7a R11: 0000000000000001 R12: ffff88813fe5c4b8 R13: ffff88813fe5ba80 R14: ffffffff91dc7860 R15: 0000000000042000 FS: 0000000000000000(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005555555a7628 CR3: 000000000c48e000 CR4: 0000000000350ef0 Call Trace: lock_acquire kernel/locking/lockdep.c:5668 [inline] lock_acquire+0x1e3/0x630 kernel/locking/lockdep.c:5633 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x3d/0x60 kernel/locking/spinlock.c:162 debug_object_deactivate lib/debugobjects.c:739 [inline] debug_object_deactivate+0x105/0x300 lib/debugobjects.c:727 debug_rcu_head_unqueue kernel/rcu/rcu.h:201 [inline] rcu_do_batch kernel/rcu/tree.c:2239 [inline] rcu_core+0x7d7/0x1980 kernel/rcu/tree.c:2506 __do_softirq+0x1fb/0xadc kernel/softirq.c:571 run_ksoftirqd kernel/softirq.c:934 [inline] run_ksoftirqd+0x31/0x60 kernel/softirq.c:926 smpboot_thread_fn+0x659/0xa20 kernel/smpboot.c:164 kthread+0x2e8/0x3a0 kernel/kthread.c:376 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:308