REISERFS (device loop1): checking transaction log (loop1) netlink: 184 bytes leftover after parsing attributes in process `syz-executor.3'. netlink: 184 bytes leftover after parsing attributes in process `syz-executor.3'. INFO: task syz-executor.3:19831 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-executor.3 D26520 19831 8128 0x00000004 Call Trace: REISERFS (device loop1): Using r5 hash to sort names context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. schedule+0x8d/0x1b0 kernel/sched/core.c:3561 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 iterate_supers+0xdb/0x290 fs/super.c:631 ksys_sync+0x86/0x150 fs/sync.c:113 __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f59c515a0f9 Code: Bad RIP value. RSP: 002b:00007f59c36cc168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f59c5279f80 RCX: 00007f59c515a0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f59c51b5ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffede8b620f R14: 00007f59c36cc300 R15: 0000000000022000 INFO: task syz-executor.3:19835 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. audit: type=1800 audit(1677332249.813:320): pid=22794 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="syz-executor.3" name="bus" dev="sda1" ino=13941 res=0 syz-executor.3 D27840 19835 8128 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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal REISERFS (device loop1): using ordered data mode iterate_supers+0xdb/0x290 fs/super.c:631 reiserfs: using flush barriers ksys_sync+0x86/0x150 fs/sync.c:113 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 REISERFS (device loop1): checking transaction log (loop1) __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f59c515a0f9 Code: Bad RIP value. RSP: 002b:00007f59c36ab168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f59c527a050 RCX: 00007f59c515a0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 REISERFS (device loop1): Using r5 hash to sort names RBP: 00007f59c51b5ae9 R08: 0000000000000000 R09: 0000000000000000 REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffede8b620f R14: 00007f59c36ab300 R15: 0000000000022000 INFO: task syz-executor.3:19841 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-executor.3 D29920 19841 8128 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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 REISERFS (device loop1): found reiserfs format "3.6" with non-standard journal __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 REISERFS (device loop1): using ordered data mode reiserfs: using flush barriers iterate_supers+0xdb/0x290 fs/super.c:631 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 ksys_sync+0x86/0x150 fs/sync.c:113 __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 REISERFS (device loop1): checking transaction log (loop1) entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f59c515a0f9 Code: Bad RIP value. RSP: 002b:00007f59c368a168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f59c527a120 RCX: 00007f59c515a0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f59c51b5ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffede8b620f R14: 00007f59c368a300 R15: 0000000000022000 REISERFS (device loop1): Using r5 hash to sort names INFO: task syz-executor.3:19843 blocked for more than 140 seconds. REISERFS (device loop1): Created .reiserfs_priv - reserved for xattr storage. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.3 D28304 19843 8128 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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 iterate_supers+0xdb/0x290 fs/super.c:631 ksys_sync+0x86/0x150 fs/sync.c:113 __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f59c515a0f9 Code: Bad RIP value. RSP: 002b:00007f59c3669168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f59c527a1f0 RCX: 00007f59c515a0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f59c51b5ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffede8b620f R14: 00007f59c3669300 R15: 0000000000022000 INFO: task syz-executor.3:19845 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-executor.3 D30128 19845 8128 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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 iterate_supers+0xdb/0x290 fs/super.c:631 ksys_sync+0x86/0x150 fs/sync.c:113 __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f59c515a0f9 Code: Bad RIP value. RSP: 002b:00007f59c3648168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f59c527a2c0 RCX: 00007f59c515a0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f59c51b5ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffede8b620f R14: 00007f59c3648300 R15: 0000000000022000 INFO: task syz-executor.3:19846 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-executor.3 D30128 19846 8128 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 __rwsem_down_read_failed_common kernel/locking/rwsem-xadd.c:292 [inline] rwsem_down_read_failed+0x20a/0x390 kernel/locking/rwsem-xadd.c:309 call_rwsem_down_read_failed+0x14/0x30 arch/x86/lib/rwsem.S:94 __down_read arch/x86/include/asm/rwsem.h:83 [inline] down_read+0x44/0x80 kernel/locking/rwsem.c:26 iterate_supers+0xdb/0x290 fs/super.c:631 ksys_sync+0x86/0x150 fs/sync.c:113 __ia32_sys_sync+0xa/0x10 fs/sync.c:124 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f59c515a0f9 Code: Bad RIP value. RSP: 002b:00007f59c3627168 EFLAGS: 00000246 ORIG_RAX: 00000000000000a2 RAX: ffffffffffffffda RBX: 00007f59c527a390 RCX: 00007f59c515a0f9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: 00007f59c51b5ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffede8b620f R14: 00007f59c3627300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1572: #0: 00000000102f0e6a (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7810: #0: 00000000e9d20475 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 3 locks held by kworker/u4:7/9564: #0: 00000000198cdc7c (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 00000000198cdc7c (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 #1: 0000000071538e89 ((work_completion)(&(&bat_priv->nc.work)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 000000004dce949c (&base->lock){-.-.}, at: lock_timer_base+0x55/0x1b0 kernel/time/timer.c:950 4 locks held by syz-executor.5/19734: 1 lock held by syz-executor.3/19831: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/19835: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/19841: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/19843: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/19845: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/19846: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/20519: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/20520: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/20522: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/20523: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/20527: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/22779: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/22786: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/22789: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/22794: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/22826: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 1 lock held by syz-executor.3/22831: #0: 0000000094ec2fbf (&type->s_umount_key#51){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1572 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 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: 8606 Comm: kworker/u4:3 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Workqueue: bat_events batadv_nc_worker RIP: 0010:check_memory_region_inline mm/kasan/kasan.c:251 [inline] RIP: 0010:check_memory_region+0x9/0x170 mm/kasan/kasan.c:267 Code: 48 c1 ee 03 0f b6 04 06 84 c0 74 d8 83 e2 07 38 d0 7e d7 c3 66 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 85 f6 0f 84 3f 01 00 00 <48> b8 ff ff ff ff ff 7f ff ff 44 0f b6 c2 48 39 c7 0f 86 20 01 00 RSP: 0018:ffff8880afe5fc88 EFLAGS: 00000202 RAX: 0000000000000000 RBX: ffff8880ba022ac0 RCX: ffffffff81518c83 RDX: 0000000000000000 RSI: 0000000000000004 RDI: ffff8880ba022ad0 RBP: ffff8880ba022ad0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 R13: dffffc0000000000 R14: 000000000000016f R15: ffff8880a4459400 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f59c515a0cf CR3: 00000000a9437000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: atomic_read include/asm-generic/atomic-instrumented.h:21 [inline] rcu_dynticks_curr_cpu_in_eqs kernel/rcu/tree.c:350 [inline] rcu_is_watching+0x53/0xc0 kernel/rcu/tree.c:1025 rcu_read_unlock include/linux/rcupdate.h:677 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:423 [inline] batadv_nc_worker+0x936/0xd50 net/batman-adv/network-coding.c:730 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