[ 71.158291][ T4490] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.10.26' (ECDSA) to the list of known hosts. [ 72.651364][ T5871] loop0: detected capacity change from 64 to 0 [ 72.715447][ C0] blk_update_request: I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x80700 phys_seg 1 prio class 0 [ 72.741861][ T5872] ------------[ cut here ]------------ [ 72.748051][ T5872] WARNING: CPU: 0 PID: 5872 at fs/iomap/apply.c:49 iomap_apply+0x652/0x880 [ 72.757084][ T5872] Modules linked in: [ 72.761113][ T5872] CPU: 1 PID: 5872 Comm: loop0 Not tainted 5.11.0-syzkaller #0 [ 72.768731][ T5872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 72.779202][ T5872] RIP: 0010:iomap_apply+0x652/0x880 [ 72.784557][ T5872] Code: 08 4c 89 fa 4c 89 f6 e8 1c c7 ff ff 65 ff 0d f5 37 3a 7e 0f 85 5c fe ff ff e8 49 82 38 ff e9 52 fe ff ff 0f 0b e9 8f fa ff ff <0f> 0b 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea [ 72.804306][ T5872] RSP: 0018:ffffc9000172f7f8 EFLAGS: 00010207 [ 72.810856][ T5872] RAX: 0000000000000000 RBX: ffffffff889d77a0 RCX: 000000000000000c [ 72.818963][ T5872] RDX: 1ffff920002e5f09 RSI: 0000000000000004 RDI: ffffc9000172f860 [ 72.827052][ T5872] RBP: ffffffff80000000 R08: ffffc9000172f770 R09: ffff88802391e0bb [ 72.835059][ T5872] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000 [ 72.843096][ T5872] R13: ffffc9000172f848 R14: ffff88802b9de738 R15: ffffc9000172f8b8 [ 72.851122][ T5872] FS: 0000000000000000(0000) GS:ffff8880b9e00000(0000) knlGS:0000000000000000 [ 72.860087][ T5872] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 72.866662][ T5872] CR2: 00007ffe261b1d88 CR3: 000000001e537000 CR4: 00000000003506f0 [ 72.874794][ T5872] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 72.882799][ T5872] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 72.890973][ T5872] Call Trace: [ 72.894269][ T5872] ? iomap_dio_rw+0x30/0x30 [ 72.898774][ T5872] ? trace_event_raw_event_iomap_apply+0x430/0x430 [ 72.905376][ T5872] ? filemap_check_errors+0x51/0xe0 [ 72.910643][ T5872] __iomap_dio_rw+0x600/0x1080 [ 72.915549][ T5872] ? iomap_dio_rw+0x30/0x30 [ 72.920121][ T5872] ? iomap_dio_bio_actor+0xd20/0xd20 [ 72.925408][ T5872] ? rwsem_down_read_slowpath+0x980/0x980 [ 72.931184][ T5872] ? __lock_acquire+0x1644/0x57d0 [ 72.936244][ T5872] iomap_dio_rw+0x9/0x30 [ 72.940549][ T5872] ext4_file_read_iter+0x36c/0x500 [ 72.945671][ T5872] lo_rw_aio.isra.0+0x891/0xdc0 [ 72.950592][ T5872] ? lo_write_bvec+0x580/0x580 [ 72.955354][ T5872] ? __lock_acquire+0x1644/0x57d0 [ 72.960436][ T5872] loop_queue_work+0xc36/0x1c30 [ 72.965287][ T5872] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 72.971338][ T5872] ? lockdep_hardirqs_on+0x79/0x100 [ 72.976552][ T5872] ? lo_rw_aio.isra.0+0xdc0/0xdc0 [ 72.981640][ T5872] ? kthread_worker_fn+0x1d6/0xa30 [ 72.986757][ T5872] ? lock_downgrade+0x6d0/0x6d0 [ 72.991672][ T5872] ? do_raw_spin_lock+0x120/0x2b0 [ 72.996779][ T5872] ? rwlock_bug.part.0+0x90/0x90 [ 73.001761][ T5872] kthread_worker_fn+0x2a6/0xa30 [ 73.006761][ T5872] ? lo_rw_aio.isra.0+0xdc0/0xdc0 [ 73.011869][ T5872] ? kthread_use_mm+0x240/0x240 [ 73.016720][ T5872] ? __kthread_parkme+0xa2/0x1c0 [ 73.021719][ T5872] ? loop_info64_to_compat+0x670/0x670 [ 73.027198][ T5872] kthread+0x36f/0x450 [ 73.031338][ T5872] ? _raw_spin_unlock_irq+0x1f/0x40 [ 73.036610][ T5872] ? __kthread_bind_mask+0x90/0x90 [ 73.041785][ T5872] ret_from_fork+0x1f/0x30 [ 73.046312][ T5872] Kernel panic - not syncing: panic_on_warn set ... [ 73.052897][ T5872] CPU: 0 PID: 5872 Comm: loop0 Not tainted 5.11.0-syzkaller #0 [ 73.060528][ T5872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 73.070579][ T5872] Call Trace: [ 73.073860][ T5872] dump_stack+0x9a/0xcc [ 73.078001][ T5872] panic+0x256/0x4eb [ 73.081885][ T5872] ? __warn_printk+0xee/0xee [ 73.086463][ T5872] ? iomap_apply+0x652/0x880 [ 73.091030][ T5872] __warn.cold+0x2b/0x35 [ 73.095253][ T5872] ? iomap_apply+0x652/0x880 [ 73.099821][ T5872] report_bug+0x15a/0x1b0 [ 73.104140][ T5872] handle_bug+0x3c/0x60 [ 73.108272][ T5872] exc_invalid_op+0x14/0x40 [ 73.112754][ T5872] asm_exc_invalid_op+0x12/0x20 [ 73.117576][ T5872] RIP: 0010:iomap_apply+0x652/0x880 [ 73.122838][ T5872] Code: 08 4c 89 fa 4c 89 f6 e8 1c c7 ff ff 65 ff 0d f5 37 3a 7e 0f 85 5c fe ff ff e8 49 82 38 ff e9 52 fe ff ff 0f 0b e9 8f fa ff ff <0f> 0b 48 8d 7b 08 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea [ 73.142652][ T5872] RSP: 0018:ffffc9000172f7f8 EFLAGS: 00010207 [ 73.148700][ T5872] RAX: 0000000000000000 RBX: ffffffff889d77a0 RCX: 000000000000000c [ 73.156662][ T5872] RDX: 1ffff920002e5f09 RSI: 0000000000000004 RDI: ffffc9000172f860 [ 73.164709][ T5872] RBP: ffffffff80000000 R08: ffffc9000172f770 R09: ffff88802391e0bb [ 73.172657][ T5872] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000001000 [ 73.180617][ T5872] R13: ffffc9000172f848 R14: ffff88802b9de738 R15: ffffc9000172f8b8 [ 73.188589][ T5872] ? iomap_apply+0x144/0x880 [ 73.193164][ T5872] ? iomap_dio_rw+0x30/0x30 [ 73.197645][ T5872] ? trace_event_raw_event_iomap_apply+0x430/0x430 [ 73.204397][ T5872] ? filemap_check_errors+0x51/0xe0 [ 73.209708][ T5872] __iomap_dio_rw+0x600/0x1080 [ 73.214757][ T5872] ? iomap_dio_rw+0x30/0x30 [ 73.219265][ T5872] ? iomap_dio_bio_actor+0xd20/0xd20 [ 73.224658][ T5872] ? rwsem_down_read_slowpath+0x980/0x980 [ 73.230738][ T5872] ? __lock_acquire+0x1644/0x57d0 [ 73.235890][ T5872] iomap_dio_rw+0x9/0x30 [ 73.240461][ T5872] ext4_file_read_iter+0x36c/0x500 [ 73.245587][ T5872] lo_rw_aio.isra.0+0x891/0xdc0 [ 73.250467][ T5872] ? lo_write_bvec+0x580/0x580 [ 73.255404][ T5872] ? __lock_acquire+0x1644/0x57d0 [ 73.260430][ T5872] loop_queue_work+0xc36/0x1c30 [ 73.265379][ T5872] ? lockdep_hardirqs_on_prepare+0x400/0x400 [ 73.271347][ T5872] ? lockdep_hardirqs_on+0x79/0x100 [ 73.276540][ T5872] ? lo_rw_aio.isra.0+0xdc0/0xdc0 [ 73.281741][ T5872] ? kthread_worker_fn+0x1d6/0xa30 [ 73.286831][ T5872] ? lock_downgrade+0x6d0/0x6d0 [ 73.291657][ T5872] ? do_raw_spin_lock+0x120/0x2b0 [ 73.296654][ T5872] ? rwlock_bug.part.0+0x90/0x90 [ 73.301658][ T5872] kthread_worker_fn+0x2a6/0xa30 [ 73.306680][ T5872] ? lo_rw_aio.isra.0+0xdc0/0xdc0 [ 73.311696][ T5872] ? kthread_use_mm+0x240/0x240 [ 73.316535][ T5872] ? __kthread_parkme+0xa2/0x1c0 [ 73.321470][ T5872] ? loop_info64_to_compat+0x670/0x670 [ 73.327119][ T5872] kthread+0x36f/0x450 [ 73.331173][ T5872] ? _raw_spin_unlock_irq+0x1f/0x40 [ 73.336373][ T5872] ? __kthread_bind_mask+0x90/0x90 [ 73.341507][ T5872] ret_from_fork+0x1f/0x30 [ 73.346393][ T5872] Kernel Offset: disabled [ 73.350816][ T5872] Rebooting in 86400 seconds..