Warning: Permanently added '10.128.15.201' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 73.653437][ T4252] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2 [ 73.669825][ T4255] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2 [ 73.686139][ T4256] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2 [ 73.692990][ T4255] loop4: detected capacity change from 0 to 512 [ 73.696088][ T4252] loop0: detected capacity change from 0 to 512 [ 73.709464][ T4253] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2 [ 73.725057][ T4256] loop3: detected capacity change from 0 to 512 [ 73.733405][ T4254] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2 [ 73.739620][ T4253] loop2: detected capacity change from 0 to 512 [ 73.769493][ T4254] loop1: detected capacity change from 0 to 512 [ 73.779406][ T4255] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 73.779859][ T4253] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 73.788503][ T4255] ext4 filesystem being mounted at /root/syzkaller.1ROtF4/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 73.802514][ T4252] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. [ 73.818665][ T4252] ext4 filesystem being mounted at /root/syzkaller.GHiAVH/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 73.833185][ T4251] EXT4-fs (loop4): unmounting filesystem. [ 73.834129][ T4256] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback. [ 73.847984][ T4256] ext4 filesystem being mounted at /root/syzkaller.6OZFtA/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 73.863043][ T4253] ext4 filesystem being mounted at /root/syzkaller.RZvV72/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 73.880318][ T4247] EXT4-fs (loop0): unmounting filesystem. [ 73.883751][ T4254] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback. [ 73.896203][ T4254] ext4 filesystem being mounted at /root/syzkaller.JWffw7/0/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 73.897816][ T4249] EXT4-fs (loop2): unmounting filesystem. executing program [ 73.915947][ T4250] EXT4-fs (loop3): unmounting filesystem. [ 73.928039][ T4248] EXT4-fs (loop1): unmounting filesystem. [ 73.947159][ T4261] ------------[ cut here ]------------ [ 73.952820][ T4261] kernel BUG at fs/buffer.c:2666! [ 73.955754][ T4269] loop4: detected capacity change from 0 to 512 [ 73.958260][ T4261] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 73.970225][ T4261] CPU: 1 PID: 4261 Comm: kmmpd-loop0 Tainted: G W 6.1.122-syzkaller #0 [ 73.979889][ T4261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 73.989968][ T4261] RIP: 0010:submit_bh_wbc+0x4c0/0x4e0 [ 73.995399][ T4261] Code: 02 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c be fe ff ff 48 89 ef e8 b1 48 e0 ff e9 b1 fe ff ff e8 77 b5 88 ff 0f 0b e8 70 b5 88 ff <0f> 0b e8 69 b5 88 ff 0f 0b e8 62 b5 88 ff 0f 0b e8 5b b5 88 ff 0f executing program [ 74.015042][ T4261] RSP: 0018:ffffc90003d27c40 EFLAGS: 00010293 [ 74.021141][ T4261] RAX: ffffffff8201e700 RBX: 0000000000000000 RCX: ffff88802f249dc0 [ 74.029144][ T4261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 74.037141][ T4261] RBP: ffffc90003d27d50 R08: ffffffff8201e2dd R09: ffffed100e17d83b [ 74.045230][ T4261] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100e17d83a [ 74.053229][ T4261] R13: ffff888070bec1d0 R14: 0000000000000000 R15: 0000000000003801 [ 74.061241][ T4261] FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 executing program [ 74.070203][ T4261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.074698][ T4274] PM: Image not found (code -22) [ 74.076793][ T4261] CR2: 000055557364dda8 CR3: 000000002a644000 CR4: 00000000003506e0 [ 74.076815][ T4261] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.076826][ T4261] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.076839][ T4261] Call Trace: [ 74.076845][ T4261] [ 74.076852][ T4261] ? __die_body+0x5e/0xa0 [ 74.094920][ T4273] PM: Image not found (code -22) [ 74.097787][ T4261] ? die+0x83/0xb0 [ 74.097823][ T4261] ? do_trap+0x11e/0x350 [ 74.097848][ T4261] ? submit_bh_wbc+0x4c0/0x4e0 [ 74.111836][ T4274] loop2: detected capacity change from 0 to 512 [ 74.112112][ T4261] ? submit_bh_wbc+0x4c0/0x4e0 [ 74.130955][ T4273] loop3: detected capacity change from 0 to 512 [ 74.134152][ T4261] ? do_error_trap+0x13d/0x1e0 [ 74.156215][ T4261] ? submit_bh_wbc+0x4c0/0x4e0 [ 74.161007][ T4261] ? do_int3+0x30/0x30 [ 74.165105][ T4261] ? report_bug+0x3e0/0x500 [ 74.169645][ T4261] ? rcu_is_watching+0x11/0xb0 [ 74.170742][ T4274] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 74.174826][ T4261] ? handle_invalid_op+0x2c/0x40 [ 74.174855][ T4261] ? submit_bh_wbc+0x4c0/0x4e0 [ 74.193409][ T4261] ? exc_invalid_op+0x2f/0x40 [ 74.198126][ T4261] ? asm_exc_invalid_op+0x16/0x20 [ 74.203192][ T4261] ? submit_bh_wbc+0x9d/0x4e0 [ 74.207905][ T4261] ? submit_bh_wbc+0x4c0/0x4e0 [ 74.212701][ T4261] ? submit_bh_wbc+0x4c0/0x4e0 [ 74.217508][ T4261] write_mmp_block_thawed+0x3b6/0x5a0 [ 74.222434][ T4274] ext4 filesystem being mounted at /root/syzkaller.RZvV72/1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 74.222998][ T4261] ? read_mmp_block+0x7e0/0x7e0 [ 74.239839][ T4261] ? update_process_times+0x1b0/0x1b0 [ 74.245250][ T4261] ? kmmpd+0x263/0xa70 [ 74.249353][ T4261] write_mmp_block+0x13f/0x390 [ 74.254148][ T4261] kmmpd+0x263/0xa70 [ 74.258082][ T4261] ? write_mmp_block_thawed+0x5a0/0x5a0 [ 74.263662][ T4261] ? __kthread_parkme+0x168/0x1c0 executing program [ 74.268730][ T4261] kthread+0x28d/0x320 [ 74.272824][ T4261] ? write_mmp_block_thawed+0x5a0/0x5a0 [ 74.278402][ T4261] ? kthread_blkcg+0xd0/0xd0 [ 74.283018][ T4261] ret_from_fork+0x1f/0x30 [ 74.287475][ T4261] [ 74.290537][ T4261] Modules linked in: [ 74.305842][ T4271] PM: Image not found (code -22) [ 74.309236][ T4269] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 74.314972][ T4271] loop1: detected capacity change from 0 to 512 [ 74.319969][ T4269] ext4 filesystem being mounted at /root/syzkaller.1ROtF4/1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 74.340912][ T4249] EXT4-fs (loop2): unmounting filesystem. [ 74.347250][ T4273] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback. [ 74.356822][ T4261] ---[ end trace 0000000000000000 ]--- [ 74.362329][ T4261] RIP: 0010:submit_bh_wbc+0x4c0/0x4e0 [ 74.368420][ T4261] Code: 02 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c be fe ff ff 48 89 ef e8 b1 48 e0 ff e9 b1 fe ff ff e8 77 b5 88 ff 0f 0b e8 70 b5 88 ff <0f> 0b e8 69 b5 88 ff 0f 0b e8 62 b5 88 ff 0f 0b e8 5b b5 88 ff 0f [ 74.374678][ T4251] EXT4-fs (loop4): unmounting filesystem. [ 74.388964][ T4261] RSP: 0018:ffffc90003d27c40 EFLAGS: 00010293 [ 74.396171][ T4273] ext4 filesystem being mounted at /root/syzkaller.6OZFtA/1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 74.411941][ T4261] RAX: ffffffff8201e700 RBX: 0000000000000000 RCX: ffff88802f249dc0 executing program [ 74.411962][ T4261] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 74.411975][ T4261] RBP: ffffc90003d27d50 R08: ffffffff8201e2dd R09: ffffed100e17d83b [ 74.411990][ T4261] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100e17d83a [ 74.412004][ T4261] R13: ffff888070bec1d0 R14: 0000000000000000 R15: 0000000000003801 [ 74.412017][ T4261] FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 74.412034][ T4261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 74.412048][ T4261] CR2: 000055c394da2040 CR3: 000000000d08e000 CR4: 00000000003506e0 [ 74.451081][ T4284] PM: Image not found (code -22) [ 74.481636][ T4261] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 74.506270][ T4271] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback. executing program [ 74.515357][ T4271] ext4 filesystem being mounted at /root/syzkaller.JWffw7/1/bus supports timestamps until 2038-01-19 (0x7fffffff) [ 74.531288][ T4261] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 74.542026][ T4250] EXT4-fs (loop3): unmounting filesystem. [ 74.548179][ T4286] PM: Image not found (code -22) [ 74.552455][ T4284] loop2: detected capacity change from 0 to 512 [ 74.561969][ T4248] EXT4-fs (loop1): unmounting filesystem. [ 74.566859][ T4261] Kernel panic - not syncing: Fatal exception [ 74.567974][ T4261] Kernel Offset: disabled [ 74.578398][ T4261] Rebooting in 86400 seconds..