REISERFS (device loop4): checking transaction log (loop4) REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 overlayfs: failed to resolve './file0': -2 REISERFS (device loop4): Using r5 hash to sort names REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! INFO: task kworker/u4:2:37 blocked for more than 140 seconds. REISERFS (device loop1): checking transaction log (loop1) Not tainted 4.19.211-syzkaller #0 REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal kworker/u4:2 D25184 37 2 0x80000000 REISERFS (device loop1): Using r5 hash to sort names REISERFS (device loop2): using ordered data mode Workqueue: writeback wb_workfn (flush-7:3) REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! Call Trace: reiserfs: using flush barriers REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 overlayfs: upper fs needs to support d_type. overlayfs: upper fs does not support tmpfile. REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 overlayfs: upper fs needs to support d_type. overlayfs: upper fs does not support tmpfile. REISERFS (device loop0): using ordered data mode overlayfs: upper fs does not support file handles, falling back to index=off. overlayfs: failed to resolve './file0': -2 overlayfs: upper fs does not support file handles, falling back to index=off. overlayfs: failed to resolve './file0': -2 reiserfs: using flush barriers schedule+0x8d/0x1b0 kernel/sched/core.c:3561 REISERFS (device loop2): checking transaction log (loop2) queue_log_writer+0x27a/0x2d0 fs/reiserfs/journal.c:2990 REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop2): Using r5 hash to sort names REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! REISERFS (device loop0): checking transaction log (loop0) REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. REISERFS (device loop0): Using r5 hash to sort names check_journal_end fs/reiserfs/journal.c:3687 [inline] do_journal_end+0x8c0/0x4840 fs/reiserfs/journal.c:4054 REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! reiserfs_write_inode+0x27a/0x2d0 fs/reiserfs/inode.c:1789 overlayfs: upper fs needs to support d_type. overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support file handles, falling back to index=off. write_inode fs/fs-writeback.c:1244 [inline] __writeback_single_inode+0x733/0x11d0 fs/fs-writeback.c:1442 REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. writeback_sb_inodes+0x537/0xef0 fs/fs-writeback.c:1647 overlayfs: failed to resolve './file0': -2 overlayfs: upper fs needs to support d_type. wb_writeback+0x28d/0xcc0 fs/fs-writeback.c:1820 overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support file handles, falling back to index=off. wb_do_writeback fs/fs-writeback.c:1965 [inline] wb_workfn+0x29b/0x1250 fs/fs-writeback.c:2006 overlayfs: failed to resolve './file0': -2 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 INFO: task syz-executor192:10191 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor192 D25760 10191 8124 0x00000006 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 bit_wait+0x12/0x90 kernel/sched/wait_bit.c:197 __wait_on_bit+0x7e/0x150 kernel/sched/wait_bit.c:48 __inode_wait_for_writeback+0x153/0x1f0 fs/fs-writeback.c:1265 inode_wait_for_writeback+0x22/0x30 fs/fs-writeback.c:1277 evict+0x2b7/0x760 fs/inode.c:556 iput_final fs/inode.c:1555 [inline] iput+0x4f1/0x860 fs/inode.c:1581 dentry_unlink_inode+0x265/0x320 fs/dcache.c:374 d_delete+0x210/0x280 fs/dcache.c:2372 xattr_unlink+0x139/0x190 fs/reiserfs/xattr.c:96 lookup_and_delete_xattr fs/reiserfs/xattr.c:492 [inline] reiserfs_xattr_set_handle+0x88e/0xb40 fs/reiserfs/xattr.c:527 reiserfs_xattr_set+0x411/0x570 fs/reiserfs/xattr.c:631 REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal trusted_set+0xa6/0xd0 fs/reiserfs/xattr_trusted.c:30 REISERFS (device loop5): using ordered data mode reiserfs: using flush barriers __vfs_removexattr+0xf3/0x160 fs/xattr.c:413 REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop5): checking transaction log (loop5) REISERFS (device loop5): Using r5 hash to sort names __vfs_removexattr_locked+0x15c/0x340 fs/xattr.c:445 REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! vfs_removexattr+0xc1/0x240 fs/xattr.c:466 REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. overlayfs: upper fs needs to support d_type. ovl_make_workdir fs/overlayfs/super.c:1139 [inline] ovl_get_workdir fs/overlayfs/super.c:1198 [inline] ovl_fill_super+0x13f9/0x3f10 fs/overlayfs/super.c:1601 overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support file handles, falling back to index=off. overlayfs: failed to resolve './file0': -2 mount_nodev+0x60/0x110 fs/super.c:1204 mount_fs+0xa3/0x310 fs/super.c:1261 vfs_kern_mount.part.0+0x68/0x470 fs/namespace.c:961 vfs_kern_mount fs/namespace.c:951 [inline] do_new_mount fs/namespace.c:2492 [inline] do_mount+0x115c/0x2f50 fs/namespace.c:2822 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f49578b9b19 Code: Bad RIP value. RSP: 002b:00007f49578652f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f495793f7a0 RCX: 00007f49578b9b19 RDX: 0000000020000080 RSI: 00000000200000c0 RDI: 0000000000000000 RBP: 00007f495790c2d8 R08: 0000000020000480 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0079616c7265766f R13: d5e172a4510865ec R14: 9837512483e3bdcd R15: 00007f495793f7a8 INFO: task syz-executor192:10231 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor192 D27728 10231 8124 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 wb_wait_for_completion+0x175/0x1f0 fs/fs-writeback.c:222 sync_inodes_sb+0x19d/0x9a0 fs/fs-writeback.c:2459 __sync_filesystem fs/sync.c:34 [inline] sync_filesystem+0x15c/0x250 fs/sync.c:67 reiserfs_remount+0x150/0x1540 fs/reiserfs/super.c:1458 do_remount_sb+0x1a0/0x6a0 fs/super.c:888 do_remount fs/namespace.c:2313 [inline] do_mount+0x1a62/0x2f50 fs/namespace.c:2813 ksys_mount+0xcf/0x130 fs/namespace.c:3038 __do_sys_mount fs/namespace.c:3052 [inline] __se_sys_mount fs/namespace.c:3049 [inline] __x64_sys_mount+0xba/0x150 fs/namespace.c:3049 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f49578bafda Code: Bad RIP value. REISERFS (device loop4): found reiserfs format "3.6" with non-standard journal RSP: 002b:00007f494f844118 EFLAGS: 00000286 ORIG_RAX: 00000000000000a5 REISERFS (device loop4): using ordered data mode reiserfs: using flush barriers RAX: ffffffffffffffda RBX: 00007f494f8446b8 RCX: 00007f49578bafda REISERFS (device loop4): journal params: device loop4, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 RDX: 00000000200001c0 RSI: 0000000020000100 RDI: 0000000000000000 REISERFS (device loop2): found reiserfs format "3.6" with non-standard journal REISERFS (device loop2): using ordered data mode RBP: 00000000ffffffff R08: 00007f494f8441b0 R09: 0000000000000000 reiserfs: using flush barriers R10: 0000000001a484bc R11: 0000000000000286 R12: 00000000200001c0 R13: 0000000020000100 R14: 0000000000000000 R15: 00000000200006c0 REISERFS (device loop2): journal params: device loop2, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 Showing all locks held in the system: REISERFS (device loop4): checking transaction log (loop4) 2 locks held by kworker/u4:2/37: #0: 00000000218834b0 ((wq_completion)"writeback"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 REISERFS (device loop0): found reiserfs format "3.6" with non-standard journal #1: 00000000f4be62ef ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 REISERFS (device loop0): using ordered data mode REISERFS (device loop2): checking transaction log (loop2) REISERFS (device loop4): Using r5 hash to sort names 1 lock held by khungtaskd/1570: reiserfs: using flush barriers REISERFS warning (device loop4): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! REISERFS (device loop2): Using r5 hash to sort names REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 #0: 00000000beadefa2 (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal REISERFS (device loop0): checking transaction log (loop0) REISERFS (device loop1): using ordered data mode REISERFS warning (device loop2): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! reiserfs: using flush barriers REISERFS (device loop0): Using r5 hash to sort names REISERFS warning (device loop0): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! REISERFS (device loop4): Created .reiserfs_priv - reserved for xattr storage. 1 lock held by in:imklog/7811: REISERFS (device loop2): Created .reiserfs_priv - reserved for xattr storage. REISERFS (device loop0): Created .reiserfs_priv - reserved for xattr storage. overlayfs: upper fs needs to support d_type. #0: 00000000a9db8dc9 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 REISERFS (device loop1): journal params: device loop1, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 4 locks held by syz-executor192/10191: overlayfs: upper fs needs to support d_type. overlayfs: upper fs does not support tmpfile. #0: 00000000dc752a37 (&type->s_umount_key#46/1){+.+.}, at: alloc_super fs/super.c:226 [inline] #0: 00000000dc752a37 (&type->s_umount_key#46/1){+.+.}, at: sget_userns+0x20b/0xcd0 fs/super.c:519 overlayfs: upper fs needs to support d_type. overlayfs: upper fs does not support file handles, falling back to index=off. overlayfs: failed to resolve './file0': -2 overlayfs: upper fs does not support tmpfile. REISERFS (device loop1): checking transaction log (loop1) overlayfs: upper fs does not support file handles, falling back to index=off. REISERFS (device loop5): found reiserfs format "3.6" with non-standard journal #1: 00000000127a4eb3 (sb_writers#11){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #1: 00000000127a4eb3 (sb_writers#11){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 REISERFS (device loop1): Using r5 hash to sort names overlayfs: upper fs does not support tmpfile. overlayfs: upper fs does not support file handles, falling back to index=off. REISERFS (device loop5): using ordered data mode overlayfs: failed to resolve './file0': -2 REISERFS warning (device loop1): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! overlayfs: failed to resolve './file0': -2 #2: 000000009ed35052 (&type->i_mutex_dir_key#7){++++}, at: inode_lock include/linux/fs.h:748 [inline] #2: 000000009ed35052 (&type->i_mutex_dir_key#7){++++}, at: vfs_removexattr+0xb2/0x240 fs/xattr.c:465 REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. #3: 0000000034cb853b (&type->i_mutex_dir_key#7/3){+.+.}, at: inode_lock_nested include/linux/fs.h:783 [inline] #3: 0000000034cb853b (&type->i_mutex_dir_key#7/3){+.+.}, at: lookup_and_delete_xattr fs/reiserfs/xattr.c:484 [inline] #3: 0000000034cb853b (&type->i_mutex_dir_key#7/3){+.+.}, at: reiserfs_xattr_set_handle+0x7fd/0xb40 fs/reiserfs/xattr.c:527 reiserfs: using flush barriers overlayfs: upper fs needs to support d_type. 2 locks held by syz-executor192/10231: #0: 00000000aced0861 (&type->s_umount_key#47){+.+.}, at: do_remount fs/namespace.c:2307 [inline] #0: 00000000aced0861 (&type->s_umount_key#47){+.+.}, at: do_mount+0xa5b/0x2f50 fs/namespace.c:2813 REISERFS (device loop5): journal params: device loop5, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 overlayfs: upper fs does not support tmpfile. REISERFS (device loop5): checking transaction log (loop5) REISERFS (device loop5): Using r5 hash to sort names #1: 00000000a4b88b9c (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] #1: 00000000a4b88b9c (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457 REISERFS warning (device loop5): jdm-13090 reiserfs_new_inode: ACLs aren't enabled in the fs, but vfs thinks they are! 2 locks held by syz-executor192/20865: REISERFS (device loop5): Created .reiserfs_priv - reserved for xattr storage. overlayfs: upper fs does not support file handles, falling back to index=off. overlayfs: failed to resolve './file0': -2 1 lock held by syz-executor192/20882: ============================================= NMI backtrace for cpu 1 overlayfs: upper fs needs to support d_type. CPU: 1 PID: 1570 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 Call Trace: overlayfs: upper fs does not support tmpfile. __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 overlayfs: upper fs does not support file handles, falling back to index=off. nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 overlayfs: failed to resolve './file0': -2 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 8131 Comm: syz-executor192 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/12/2023 RIP: 0010:mark_held_locks+0x8e/0xf0 kernel/locking/lockdep.c:2802 Code: 00 48 63 c3 48 8d 04 80 49 8d 34 c7 48 8d 7e 22 48 89 f8 48 89 fa 48 c1 e8 03 83 e2 07 42 0f b6 04 30 38 d0 7f 04 84 c0 75 4c <0f> b6 46 22 44 89 e2 a8 03 0f 45 d5 a8 04 74 0c 4c 89 ef e8 fa ed RSP: 0018:ffff888094d77948 EFLAGS: 00000046 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 1ffff11015f195cf RDX: 0000000000000002 RSI: ffff8880af8cae08 RDI: ffff8880af8cae2a RBP: 0000000000000007 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000006 R13: ffff8880af8ca580 R14: dffffc0000000000 R15: ffff8880af8cae08 FS: 0000555555cee300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff8216a5010 CR3: 00000000aa6d1000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __trace_hardirqs_on_caller kernel/locking/lockdep.c:2839 [inline] lockdep_hardirqs_on+0x3a8/0x5c0 kernel/locking/lockdep.c:2884 lookup_bh_lru fs/buffer.c:1279 [inline] __find_get_block+0x24b/0xde0 fs/buffer.c:1291 flush_commit_list.isra.0+0xb17/0x1e20 fs/reiserfs/journal.c:1058 do_journal_end+0x350d/0x4840 fs/reiserfs/journal.c:4387 reiserfs_sync_fs+0xf8/0x120 fs/reiserfs/super.c:78 __sync_filesystem fs/sync.c:39 [inline] sync_filesystem+0x1b5/0x250 fs/sync.c:67 generic_shutdown_super+0x70/0x370 fs/super.c:442 kill_block_super+0x97/0xf0 fs/super.c:1185 deactivate_locked_super+0x94/0x160 fs/super.c:329 deactivate_super+0x174/0x1a0 fs/super.c:360 cleanup_mnt+0x1a8/0x290 fs/namespace.c:1098 task_work_run+0x148/0x1c0 kernel/task_work.c:113 tracehook_notify_resume include/linux/tracehook.h:193 [inline] exit_to_usermode_loop+0x251/0x2a0 arch/x86/entry/common.c:167 prepare_exit_to_usermode arch/x86/entry/common.c:198 [inline] syscall_return_slowpath arch/x86/entry/common.c:271 [inline] do_syscall_64+0x538/0x620 arch/x86/entry/common.c:296 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f49578baf17 Code: ff d0 48 89 c7 b8 3c 00 00 00 0f 05 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 b8 a6 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffe1b625568 EFLAGS: 00000202 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f49578baf17 RDX: 00007ffe1b62562b RSI: 000000000000000a RDI: 00007ffe1b625620 RBP: 00007ffe1b625620 R08: 00000000ffffffff R09: 00007ffe1b625400 R10: 0000555555cef683 R11: 0000000000000202 R12: 00007ffe1b6266e0 R13: 0000555555cef5f0 R14: 00007ffe1b625590 R15: 00007ffe1b626700