Warning: Permanently added '10.128.1.143' (ED25519) to the list of known hosts. [ 103.621357][ T5941] loop0: detected capacity change from 0 to 20480 [ 103.645976][ T5941] md: async del_gendisk mode will be removed in future, please upgrade to mdadm-4.5+ [ 103.646111][ T5941] block device autoloading is deprecated and will be removed. [ 103.761141][ T5941] md/raid1:md100: active with 1 out of 1 mirrors [ 103.761769][ T5941] md100: detected capacity change from 0 to 2048 [ 103.780702][ T5947] md100: detected capacity change from 2048 to 0 [ 103.780719][ T5947] md: md100 stopped. [ 103.790172][ T5946] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000024: 0000 [#1] SMP KASAN PTI [ 103.806051][ T5946] KASAN: null-ptr-deref in range [0x0000000000000120-0x0000000000000127] [ 103.814465][ T5946] CPU: 0 UID: 0 PID: 5946 Comm: syz-executor429 Not tainted syzkaller #0 PREEMPT(full) [ 103.824364][ T5946] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 103.834613][ T5946] RIP: 0010:_wait_barrier+0x95/0x6a0 [ 103.839894][ T5946] Code: 44 25 00 48 b8 f8 f3 f3 f3 f3 f3 f3 f3 4b 89 44 25 08 e8 4e 5e 3b f9 4d 8d b7 20 01 00 00 4c 89 f0 48 c1 e8 03 48 89 44 24 38 <42> 80 3c 20 00 74 08 4c 89 f7 e8 cc 4a ae f9 4c 89 74 24 30 4d 8b [ 103.859676][ T5946] RSP: 0018:ffffc900032e7100 EFLAGS: 00010206 [ 103.865763][ T5946] RAX: 0000000000000024 RBX: 0000000000000000 RCX: ffff88802c90be80 [ 103.873836][ T5946] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 103.881996][ T5946] RBP: ffffc900032e7230 R08: ffff8880206a6037 R09: 1ffff110040d4c06 [ 103.890220][ T5946] R10: dffffc0000000000 R11: ffffed10040d4c07 R12: dffffc0000000000 [ 103.898459][ T5946] R13: 1ffff9200065ce2c R14: 0000000000000120 R15: 0000000000000000 [ 103.906509][ T5946] FS: 00007fc25333e6c0(0000) GS:ffff888123ab6000(0000) knlGS:0000000000000000 [ 103.915427][ T5946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 103.922001][ T5946] CR2: 00007fc25333dff8 CR3: 000000007901a000 CR4: 00000000003526f0 [ 103.929964][ T5946] Call Trace: [ 103.933251][ T5946] [ 103.936218][ T5946] ? md_write_start+0x40c/0xbb0 [ 103.941079][ T5946] ? __pfx__wait_barrier+0x10/0x10 [ 103.946220][ T5946] ? __pfx_autoremove_wake_function+0x10/0x10 [ 103.952296][ T5946] ? rcu_is_watching+0x16/0xb0 [ 103.957071][ T5946] raid1_make_request+0x6c8/0x3470 [ 103.962175][ T5946] ? lapic_next_event+0x11/0x20 [ 103.967104][ T5946] ? __lock_acquire+0x747/0x2de0 [ 103.972154][ T5946] ? __lock_acquire+0x747/0x2de0 [ 103.977171][ T5946] ? __lock_acquire+0x747/0x2de0 [ 103.982098][ T5946] ? __pfx_raid1_make_request+0x10/0x10 [ 103.987721][ T5946] ? trace_ipi_send_cpu+0x7e/0x1f0 [ 103.992869][ T5946] ? lock_acquire+0x115/0x350 [ 103.997724][ T5946] ? lock_acquire+0x115/0x350 [ 104.002390][ T5946] ? lock_acquire+0x115/0x350 [ 104.007056][ T5946] ? md_handle_request+0x8fc/0xe60 [ 104.012159][ T5946] ? md_handle_request+0x8fc/0xe60 [ 104.017350][ T5946] md_handle_request+0xb05/0xe60 [ 104.022281][ T5946] ? __pfx_md_handle_request+0x10/0x10 [ 104.028158][ T5946] ? bio_split_to_limits+0x158/0x550 [ 104.033606][ T5946] ? md_submit_bio+0x172/0x330 [ 104.038359][ T5946] __submit_bio+0x27f/0x340 [ 104.042874][ T5946] submit_bio_noacct_nocheck+0x4e8/0xa40 [ 104.048611][ T5946] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 104.054950][ T5946] ? submit_bio_noacct+0xfde/0x1b70 [ 104.060242][ T5946] submit_bio_wait+0x12a/0x250 [ 104.064996][ T5946] ? __pfx_submit_bio_wait+0x10/0x10 [ 104.070275][ T5946] blkdev_direct_IO+0x1167/0x18e0 [ 104.075294][ T5946] ? __pfx_blkdev_direct_IO+0x10/0x10 [ 104.080663][ T5946] ? ktime_get_coarse_real_ts64_mg+0x59/0x1e0 [ 104.086730][ T5946] ? seqcount_lockdep_reader_access+0xea/0x100 [ 104.092880][ T5946] ? __pfx_bio_wait_end_io+0x10/0x10 [ 104.098677][ T5946] ? __pfx_current_time+0x10/0x10 [ 104.103785][ T5946] ? __fsnotify_parent+0x267/0x620 [ 104.109418][ T5946] ? kiocb_invalidate_pages+0xfb/0x140 [ 104.114996][ T5946] blkdev_direct_write+0x7c/0x140 [ 104.120020][ T5946] blkdev_write_iter+0x58b/0x7b0 [ 104.125034][ T5946] vfs_write+0x612/0xba0 [ 104.129439][ T5946] ? __pfx_vfs_write+0x10/0x10 [ 104.134189][ T5946] ? __fget_files+0x2a/0x420 [ 104.138770][ T5946] ? fdget+0x1ac/0x250 [ 104.142827][ T5946] __x64_sys_pwrite64+0x196/0x220 [ 104.147858][ T5946] ? __pfx___x64_sys_pwrite64+0x10/0x10 [ 104.153394][ T5946] do_syscall_64+0x166/0x520 [ 104.158058][ T5946] ? trace_irq_disable+0x3b/0x140 [ 104.163069][ T5946] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 104.169137][ T5946] ? clear_bhb_loop+0x70/0xc0 [ 104.173803][ T5946] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 104.179684][ T5946] RIP: 0033:0x7fc25339537e [ 104.184193][ T5946] Code: 08 0f 85 e5 e2 ff ff 49 89 fb 48 89 f0 48 89 d7 48 89 ce 4c 89 c2 4d 89 ca 4c 8b 44 24 08 4c 8b 4c 24 10 4c 89 5c 24 08 0f 05 90 41 57 41 56 4d 89 c6 41 55 4d 89 cd 41 54 55 53 48 83 ec 08 [ 104.203971][ T5946] RSP: 002b:00007fc25333e128 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 104.212404][ T5946] RAX: ffffffffffffffda RBX: 00007fc25333e6c0 RCX: 00007fc25339537e [ 104.220409][ T5946] RDX: 0000000000001000 RSI: 000055556c2e8000 RDI: 0000000000000006 [ 104.228666][ T5946] RBP: 0000000000000021 R08: 0000000000000000 R09: 0000000000000000 [ 104.236734][ T5946] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffd0 [ 104.244815][ T5946] R13: 0000000000000000 R14: 00007ffcfa93e3e0 R15: 00007ffcfa93e4c8 [ 104.252817][ T5946] [ 104.255830][ T5946] Modules linked in: [ 104.259928][ T5946] ---[ end trace 0000000000000000 ]--- [ 104.266130][ T5946] RIP: 0010:_wait_barrier+0x95/0x6a0 [ 104.266157][ T5946] Code: 44 25 00 48 b8 f8 f3 f3 f3 f3 f3 f3 f3 4b 89 44 25 08 e8 4e 5e 3b f9 4d 8d b7 20 01 00 00 4c 89 f0 48 c1 e8 03 48 89 44 24 38 <42> 80 3c 20 00 74 08 4c 89 f7 e8 cc 4a ae f9 4c 89 74 24 30 4d 8b [ 104.266172][ T5946] RSP: 0018:ffffc900032e7100 EFLAGS: 00010206 [ 104.266189][ T5946] RAX: 0000000000000024 RBX: 0000000000000000 RCX: ffff88802c90be80 [ 104.266200][ T5946] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 104.266211][ T5946] RBP: ffffc900032e7230 R08: ffff8880206a6037 R09: 1ffff110040d4c06 [ 104.266230][ T5946] R10: dffffc0000000000 R11: ffffed10040d4c07 R12: dffffc0000000000 [ 104.266243][ T5946] R13: 1ffff9200065ce2c R14: 0000000000000120 R15: 0000000000000000 [ 104.266254][ T5946] FS: 00007fc25333e6c0(0000) GS:ffff888123ab6000(0000) knlGS:0000000000000000 [ 104.266269][ T5946] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 104.266281][ T5946] CR2: 00007fc25333dff8 CR3: 000000007901a000 CR4: 00000000003526f0 [ 104.266299][ T5946] Kernel panic - not syncing: Fatal exception [ 104.367700][ T5946] Kernel Offset: disabled [ 104.372030][ T5946] Rebooting in 86400 seconds..