INFO: task kworker/1:1:17038 blocked for more than 143 seconds. Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:kworker/1:1 state:D stack:25064 pid:17038 tgid:17038 ppid:2 flags:0x00004000 Workqueue: gfs2_recovery gfs2_recover_func Call Trace: context_switch kernel/sched/core.c:5400 [inline] __schedule+0x177f/0x4960 kernel/sched/core.c:6727 __schedule_loop kernel/sched/core.c:6802 [inline] schedule+0x149/0x260 kernel/sched/core.c:6817 io_schedule+0x8c/0x100 kernel/sched/core.c:9023 folio_wait_bit_common+0x881/0x12b0 mm/filemap.c:1274 folio_wait_locked include/linux/pagemap.h:1106 [inline] gfs2_jhead_process_page+0x194/0x750 fs/gfs2/lops.c:470 gfs2_find_jhead+0xd68/0xf10 fs/gfs2/lops.c:587 gfs2_recover_func+0x6b7/0x1f10 fs/gfs2/recovery.c:460 process_one_work kernel/workqueue.c:2633 [inline] process_scheduled_works+0x90f/0x1420 kernel/workqueue.c:2706 worker_thread+0xa5f/0x1000 kernel/workqueue.c:2787 kthread+0x2d3/0x370 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 INFO: task syz-executor.0:32581 blocked for more than 144 seconds. Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. task:syz-executor.0 state:D stack:25072 pid:32581 tgid:32578 ppid:24713 flags:0x00004006 Call Trace: context_switch kernel/sched/core.c:5400 [inline] __schedule+0x177f/0x4960 kernel/sched/core.c:6727 __schedule_loop kernel/sched/core.c:6802 [inline] schedule+0x149/0x260 kernel/sched/core.c:6817 bit_wait+0x12/0xc0 kernel/sched/wait_bit.c:199 __wait_on_bit+0xac/0x2e0 kernel/sched/wait_bit.c:49 out_of_line_wait_on_bit+0x1d4/0x250 kernel/sched/wait_bit.c:64 wait_on_bit include/linux/wait_bit.h:76 [inline] gfs2_recover_journal+0xf2/0x150 fs/gfs2/recovery.c:577 init_journal+0x1841/0x23f0 fs/gfs2/ops_fstype.c:831 init_inodes+0xdc/0x310 fs/gfs2/ops_fstype.c:884 gfs2_fill_super+0x1ece/0x26b0 fs/gfs2/ops_fstype.c:1263 get_tree_bdev+0x3f3/0x560 fs/super.c:1619 gfs2_get_tree+0x54/0x210 fs/gfs2/ops_fstype.c:1341 vfs_get_tree+0x8c/0x2a0 fs/super.c:1784 do_new_mount+0x2be/0xb40 fs/namespace.c:3352 do_mount fs/namespace.c:3692 [inline] __do_sys_mount fs/namespace.c:3898 [inline] __se_sys_mount+0x2d9/0x3c0 fs/namespace.c:3875 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7fe61f07e4aa RSP: 002b:00007fe61feacef8 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007fe61feacf80 RCX: 00007fe61f07e4aa RDX: 000000002001f680 RSI: 000000002001f6c0 RDI: 00007fe61feacf40 RBP: 000000002001f680 R08: 00007fe61feacf80 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000202 R12: 000000002001f6c0 R13: 00007fe61feacf40 R14: 000000000001f6b3 R15: 0000000020000040 INFO: lockdep is turned off. NMI backtrace for cpu 0 CPU: 0 PID: 29 Comm: khungtaskd Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e7/0x2d0 lib/dump_stack.c:106 nmi_cpu_backtrace+0x498/0x4d0 lib/nmi_backtrace.c:113 nmi_trigger_cpumask_backtrace+0x198/0x310 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:160 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:222 [inline] watchdog+0xfaf/0xff0 kernel/hung_task.c:379 kthread+0x2d3/0x370 kernel/kthread.c:388 ret_from_fork+0x48/0x80 arch/x86/kernel/process.c:147 ret_from_fork_asm+0x11/0x20 arch/x86/entry/entry_64.S:242 Sending NMI from CPU 0 to CPUs 1: NMI backtrace for cpu 1 CPU: 1 PID: 2036 Comm: syz-executor.3 Not tainted 6.7.0-syzkaller-09928-g052d534373b7 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 RIP: 0010:native_save_fl arch/x86/include/asm/irqflags.h:26 [inline] RIP: 0010:arch_local_save_flags arch/x86/include/asm/irqflags.h:67 [inline] RIP: 0010:__might_resched+0x1d0/0x780 kernel/sched/core.c:10140 Code: 96 88 00 48 8d bc 24 a0 00 00 00 4c 89 ee 4d 89 f5 45 89 e6 48 ba 00 00 00 00 00 fc ff df 48 c7 84 24 a0 00 00 00 00 00 00 00 <9c> 8f 84 24 a0 00 00 00 80 3c 13 00 74 15 48 89 f3 e8 da 95 88 00 RSP: 0018:ffffc90003717500 EFLAGS: 00000246 RAX: 0000000000000000 RBX: 1ffff920006e2eb4 RCX: dffffc0000000000 RDX: dffffc0000000000 RSI: ffff888028a2bb80 RDI: ffffc900037175a0 RBP: ffffc90003717618 R08: ffffffff820d0fb8 R09: 1ffffffff1e03e4d R10: dffffc0000000000 R11: fffffbfff1e03e4e R12: 0000000000000000 R13: ffff888028a2bfbc R14: 0000000000000132 R15: 1ffff920006e2ea8 FS: 0000555556f57480(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555556f60938 CR3: 000000002eeb9000 CR4: 00000000003506f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: might_alloc include/linux/sched/mm.h:306 [inline] bdev_getblk+0x8e/0x600 fs/buffer.c:1425 __getblk include/linux/buffer_head.h:355 [inline] sb_getblk include/linux/buffer_head.h:361 [inline] __ext4_get_inode_loc+0x546/0xe30 fs/ext4/inode.c:4399 ext4_get_inode_loc fs/ext4/inode.c:4527 [inline] ext4_reserve_inode_write+0x182/0x360 fs/ext4/inode.c:5758 __ext4_mark_inode_dirty+0x1db/0x870 fs/ext4/inode.c:5935 ext4_append+0x3e4/0x5c0 fs/ext4/namei.c:88 ext4_init_new_dir+0x33e/0xa30 fs/ext4/namei.c:2978 ext4_mkdir+0x4f6/0xce0 fs/ext4/namei.c:3024 vfs_mkdir+0x2f1/0x4b0 fs/namei.c:4122 do_mkdirat+0x264/0x3a0 fs/namei.c:4145 __do_sys_mkdirat fs/namei.c:4160 [inline] __se_sys_mkdirat fs/namei.c:4158 [inline] __x64_sys_mkdirat+0x89/0xa0 fs/namei.c:4158 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf5/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x63/0x6b RIP: 0033:0x7efc0b67b8a7 Code: 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 b8 02 01 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdb9381ea8 EFLAGS: 00000202 ORIG_RAX: 0000000000000102 RAX: ffffffffffffffda RBX: 00007ffdb9381f30 RCX: 00007efc0b67b8a7 RDX: 00000000000001ff RSI: 00007ffdb9381f30 RDI: 00000000ffffff9c RBP: 00007ffdb9381f0c R08: 0000000000000006 R09: 00007ffdb9381c44 R10: 0000000000000000 R11: 0000000000000202 R12: 0000000000000032 R13: 000000000033eb7a R14: 000000000033eb23 R15: 0000000000000011