Warning: Permanently added '10.128.0.126' (ED25519) to the list of known hosts. [ 153.493877][ T6020] loop0: detected capacity change from 0 to 20480 [ 153.574961][ T6020] md: async del_gendisk mode will be removed in future, please upgrade to mdadm-4.5+ [ 153.575132][ T6020] block device autoloading is deprecated and will be removed. [ 153.757857][ T6020] md/raid1:md100: active with 1 out of 1 mirrors [ 153.758882][ T6020] md100: detected capacity change from 0 to 2048 [ 153.803221][ T6035] md100: detected capacity change from 2048 to 0 [ 153.803244][ T6035] md: md100 stopped. [ 153.805988][ T6034] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000024: 0000 [#1] SMP KASAN PTI [ 153.833655][ T6034] KASAN: null-ptr-deref in range [0x0000000000000120-0x0000000000000127] [ 153.844079][ T6034] CPU: 0 UID: 0 PID: 6034 Comm: syz-executor425 Not tainted syzkaller #0 PREEMPT(full) [ 153.854501][ T6034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/24/2026 [ 153.865381][ T6034] RIP: 0010:_wait_barrier+0x95/0x6a0 [ 153.871360][ T6034] Code: 44 25 00 48 b8 f8 f3 f3 f3 f3 f3 f3 f3 4b 89 44 25 08 e8 5e f8 43 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 5c 21 b4 f9 4c 89 74 24 30 4d 8b [ 153.895010][ T6034] RSP: 0018:ffffc90002e97100 EFLAGS: 00010206 [ 153.902204][ T6034] RAX: 0000000000000024 RBX: 0000000000000000 RCX: ffff888076eb3e80 [ 153.910815][ T6034] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 153.919079][ T6034] RBP: ffffc90002e97230 R08: ffff8880258d6037 R09: 1ffff11004b1ac06 [ 153.928201][ T6034] R10: dffffc0000000000 R11: ffffed1004b1ac07 R12: dffffc0000000000 [ 153.936795][ T6034] R13: 1ffff920005d2e2c R14: 0000000000000120 R15: 0000000000000000 [ 153.945180][ T6034] FS: 00007fef408f66c0(0000) GS:ffff888124cc0000(0000) knlGS:0000000000000000 [ 153.956194][ T6034] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 153.963609][ T6034] CR2: 00007f856b7a2286 CR3: 0000000076cc0000 CR4: 00000000003526f0 [ 153.972061][ T6034] Call Trace: [ 153.975566][ T6034] [ 153.978939][ T6034] ? schedule+0x16e/0x2b0 [ 153.984683][ T6034] ? md_write_start+0x40c/0xbb0 [ 153.989696][ T6034] ? __pfx__wait_barrier+0x10/0x10 [ 153.995670][ T6034] ? __pfx_autoremove_wake_function+0x10/0x10 [ 154.002739][ T6034] ? kvm_sched_clock_read+0x11/0x20 [ 154.008590][ T6034] ? sched_clock+0x41/0x60 [ 154.013168][ T6034] raid1_make_request+0x6c8/0x3470 [ 154.018743][ T6034] ? __lock_acquire+0x747/0x2de0 [ 154.024420][ T6034] ? __lock_acquire+0x747/0x2de0 [ 154.030112][ T6034] ? __lock_acquire+0x747/0x2de0 [ 154.035985][ T6034] ? __pfx_raid1_make_request+0x10/0x10 [ 154.042196][ T6034] ? lock_acquire+0x115/0x350 [ 154.047326][ T6034] ? lock_acquire+0x115/0x350 [ 154.055641][ T6034] ? lock_acquire+0x115/0x350 [ 154.061593][ T6034] ? md_handle_request+0x8fc/0xe60 [ 154.069194][ T6034] ? md_handle_request+0x8fc/0xe60 [ 154.075384][ T6034] md_handle_request+0xb05/0xe60 [ 154.081997][ T6034] ? __pfx_md_handle_request+0x10/0x10 [ 154.088638][ T6034] ? bio_split_to_limits+0x158/0x550 [ 154.095440][ T6034] ? md_submit_bio+0x172/0x330 [ 154.101107][ T6034] __submit_bio+0x27f/0x340 [ 154.106995][ T6034] submit_bio_noacct_nocheck+0x4e8/0xa40 [ 154.113578][ T6034] ? __pfx_submit_bio_noacct_nocheck+0x10/0x10 [ 154.122121][ T6034] ? submit_bio_noacct+0x104a/0x1b80 [ 154.127940][ T6034] ? blkcg_set_ioprio+0x16b/0x2a0 [ 154.136648][ T6034] submit_bio_wait+0x12a/0x250 [ 154.142916][ T6034] ? __pfx_submit_bio_wait+0x10/0x10 [ 154.148811][ T6034] blkdev_direct_IO+0x1104/0x17b0 [ 154.155108][ T6034] ? __pfx_blkdev_direct_IO+0x10/0x10 [ 154.161226][ T6034] ? reacquire_held_locks+0x117/0x1a0 [ 154.167683][ T6034] ? __pfx_bio_wait_end_io+0x10/0x10 [ 154.176426][ T6034] ? do_raw_spin_unlock+0xf5/0x200 [ 154.181855][ T6034] ? rcu_is_watching+0x16/0xb0 [ 154.188544][ T6034] ? kiocb_invalidate_pages+0xfb/0x140 [ 154.196790][ T6034] blkdev_direct_write+0x7c/0x140 [ 154.203389][ T6034] blkdev_write_iter+0x52d/0x700 [ 154.209444][ T6034] vfs_write+0x612/0xba0 [ 154.214345][ T6034] ? __pfx_vfs_write+0x10/0x10 [ 154.220392][ T6034] ? __fget_files+0x2a/0x420 [ 154.226285][ T6034] __x64_sys_pwrite64+0x196/0x220 [ 154.232504][ T6034] ? __pfx___x64_sys_pwrite64+0x10/0x10 [ 154.238811][ T6034] do_syscall_64+0x166/0x520 [ 154.248501][ T6034] ? trace_irq_disable+0x3b/0x140 [ 154.255314][ T6034] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 154.262150][ T6034] ? clear_bhb_loop+0x70/0xc0 [ 154.267328][ T6034] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 154.274842][ T6034] RIP: 0033:0x7fef4094d37e [ 154.280006][ T6034] 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 [ 154.312625][ T6034] RSP: 002b:00007fef408f6128 EFLAGS: 00000246 ORIG_RAX: 0000000000000012 [ 154.322044][ T6034] RAX: ffffffffffffffda RBX: 00007fef408f66c0 RCX: 00007fef4094d37e [ 154.332075][ T6034] RDX: 0000000000001000 RSI: 00005555745dd000 RDI: 0000000000000006 [ 154.342582][ T6034] RBP: 0000000000000021 R08: 0000000000000000 R09: 0000000000000000 [ 154.352783][ T6034] R10: 0000000000000000 R11: 0000000000000246 R12: ffffffffffffffd0 [ 154.361330][ T6034] R13: 0000000000000000 R14: 00007ffcd858b9e0 R15: 00007ffcd858bac8 [ 154.370847][ T6034] [ 154.374025][ T6034] Modules linked in: [ 154.378581][ T6034] ---[ end trace 0000000000000000 ]--- [ 154.391777][ T6034] RIP: 0010:_wait_barrier+0x95/0x6a0 [ 154.391832][ T6034] Code: 44 25 00 48 b8 f8 f3 f3 f3 f3 f3 f3 f3 4b 89 44 25 08 e8 5e f8 43 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 5c 21 b4 f9 4c 89 74 24 30 4d 8b [ 154.391851][ T6034] RSP: 0018:ffffc90002e97100 EFLAGS: 00010206 [ 154.391873][ T6034] RAX: 0000000000000024 RBX: 0000000000000000 RCX: ffff888076eb3e80 [ 154.391889][ T6034] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 154.391902][ T6034] RBP: ffffc90002e97230 R08: ffff8880258d6037 R09: 1ffff11004b1ac06 [ 154.391918][ T6034] R10: dffffc0000000000 R11: ffffed1004b1ac07 R12: dffffc0000000000 [ 154.391935][ T6034] R13: 1ffff920005d2e2c R14: 0000000000000120 R15: 0000000000000000 [ 154.391949][ T6034] FS: 00007fef408f66c0(0000) GS:ffff888124cc0000(0000) knlGS:0000000000000000 [ 154.391967][ T6034] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 154.391982][ T6034] CR2: 00007f2e6487e6c8 CR3: 0000000076cc0000 CR4: 00000000003526f0 [ 154.392004][ T6034] Kernel panic - not syncing: Fatal exception [ 154.507860][ T6034] Kernel Offset: disabled [ 154.513194][ T6034] Rebooting in 86400 seconds..