EXT4-fs (loop1): bad geometry: first data block 26869760 is beyond end of filesystem (512) ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 ieee802154 phy0 wpan0: encryption failed: -22 INFO: task syz-executor.0:21049 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.0 D29952 21049 9909 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_write_failed_common kernel/locking/rwsem-xadd.c:589 [inline] rwsem_down_write_failed+0x3aa/0x760 kernel/locking/rwsem-xadd.c:618 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write_nested+0x51/0x90 kernel/locking/rwsem.c:194 inode_lock_nested include/linux/fs.h:783 [inline] filename_create+0x15a/0x490 fs/namei.c:3638 user_path_create fs/namei.c:3696 [inline] do_mkdirat+0xa0/0x2d0 fs/namei.c:3834 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f55b1ae1ae9 Code: Bad RIP value. RSP: 002b:00007f55af015188 EFLAGS: 00000246 ORIG_RAX: 0000000000000053 RAX: ffffffffffffffda RBX: 00007f55b1bf50e0 RCX: 00007f55b1ae1ae9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000140 RBP: 00007f55b1b3bf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffe5d3dfe3f R14: 00007f55af015300 R15: 0000000000022000 Showing all locks held in the system: 1 lock held by khungtaskd/1571: #0: 0000000047e425bf (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 1 lock held by in:imklog/7753: #0: 0000000003fa09c5 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 2 locks held by kworker/u4:0/19014: #0: 00000000f3c3aba2 (&rq->lock){-.-.}, at: idle_balance kernel/sched/fair.c:9702 [inline] #0: 00000000f3c3aba2 (&rq->lock){-.-.}, at: pick_next_task_fair+0x556/0x1570 kernel/sched/fair.c:6841 #1: 0000000047e425bf (rcu_read_lock){....}, at: cpu_of kernel/sched/sched.h:923 [inline] #1: 0000000047e425bf (rcu_read_lock){....}, at: __update_idle_core+0x39/0x3e0 kernel/sched/fair.c:6057 2 locks held by syz-executor.0/20994: #0: 0000000003c0f21c (sb_writers#29){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 0000000003c0f21c (sb_writers#29){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 000000003bcebf6e (&sb->s_type->i_mutex_key#36/1){+.+.}, at: inode_lock_nested include/linux/fs.h:783 [inline] #1: 000000003bcebf6e (&sb->s_type->i_mutex_key#36/1){+.+.}, at: filename_create+0x15a/0x490 fs/namei.c:3638 2 locks held by syz-executor.0/21049: #0: 0000000003c0f21c (sb_writers#29){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 0000000003c0f21c (sb_writers#29){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 #1: 000000003bcebf6e (&sb->s_type->i_mutex_key#36/1){+.+.}, at: inode_lock_nested include/linux/fs.h:783 [inline] #1: 000000003bcebf6e (&sb->s_type->i_mutex_key#36/1){+.+.}, at: filename_create+0x15a/0x490 fs/namei.c:3638 ============================================= NMI backtrace for cpu 1 CPU: 1 PID: 1571 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 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: 19014 Comm: kworker/u4:0 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: bat_events batadv_nc_worker RIP: 0010:arch_local_save_flags arch/x86/include/asm/paravirt.h:784 [inline] RIP: 0010:trace_softirqs_off+0xeb/0x340 kernel/locking/lockdep.c:2970 Code: d2 0f 85 0c 02 00 00 8b 3d 02 d4 d8 0b 85 ff 75 3d 48 c7 c0 80 82 f1 89 48 ba 00 00 00 00 00 fc ff df 48 c1 e8 03 80 3c 10 00 <0f> 85 0a 02 00 00 48 83 3d f7 1e a6 08 00 0f 84 fa 01 00 00 9c 58 RSP: 0018:ffff88823080fbf0 EFLAGS: 00000046 RAX: 1ffffffff13e3050 RBX: ffff88809bea2380 RCX: 1ffffffff1a486ec RDX: dffffc0000000000 RSI: 0000000000000201 RDI: 0000000000000000 RBP: ffffffff87d8badc R08: 0000000000000000 R09: 0000000000000001 R10: 0000000000000004 R11: 0000000000000000 R12: ffff88809bea2380 R13: ffffffff87d8d930 R14: 0000000000000072 R15: ffff888056f6a8c0 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007fbaa341d000 CR3: 00000000b3412000 CR4: 00000000003426f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: __local_bh_disable_ip+0xf0/0x190 kernel/softirq.c:129 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:134 [inline] _raw_spin_lock_bh+0x13/0x40 kernel/locking/spinlock.c:168 spin_lock_bh include/linux/spinlock.h:334 [inline] batadv_nc_purge_paths+0xdc/0x310 net/batman-adv/network-coding.c:453 batadv_nc_worker+0x731/0xd50 net/batman-adv/network-coding.c:733 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 ---------------- Code disassembly (best guess): 0: d2 0f rorb %cl,(%rdi) 2: 85 0c 02 test %ecx,(%rdx,%rax,1) 5: 00 00 add %al,(%rax) 7: 8b 3d 02 d4 d8 0b mov 0xbd8d402(%rip),%edi # 0xbd8d40f d: 85 ff test %edi,%edi f: 75 3d jne 0x4e 11: 48 c7 c0 80 82 f1 89 mov $0xffffffff89f18280,%rax 18: 48 ba 00 00 00 00 00 movabs $0xdffffc0000000000,%rdx 1f: fc ff df 22: 48 c1 e8 03 shr $0x3,%rax 26: 80 3c 10 00 cmpb $0x0,(%rax,%rdx,1) * 2a: 0f 85 0a 02 00 00 jne 0x23a <-- trapping instruction 30: 48 83 3d f7 1e a6 08 cmpq $0x0,0x8a61ef7(%rip) # 0x8a61f2f 37: 00 38: 0f 84 fa 01 00 00 je 0x238 3e: 9c pushfq 3f: 58 pop %rax