Warning: Permanently added '10.128.1.153' (ED25519) to the list of known hosts. executing program executing program executing program executing program executing program [ 55.562240][ T4253] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2 [ 55.585663][ T4252] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2 [ 55.591580][ T4253] loop4: detected capacity change from 0 to 512 [ 55.602637][ T4255] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2 [ 55.622163][ T4256] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2 [ 55.624442][ T4252] loop3: detected capacity change from 0 to 512 [ 55.638057][ T4255] loop1: detected capacity change from 0 to 512 [ 55.645934][ T4254] I/O error, dev loop0, sector 0 op 0x0:(READ) flags 0x800 phys_seg 1 prio class 2 [ 55.671516][ T4254] loop0: detected capacity change from 0 to 512 [ 55.679181][ T4256] loop2: detected capacity change from 0 to 512 [ 55.700929][ T4253] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 55.721237][ T4252] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback. [ 55.731044][ T4256] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 55.740075][ T4253] ext4 filesystem being mounted at /root/syzkaller.rYv2Uo/0/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 55.752547][ T4252] ext4 filesystem being mounted at /root/syzkaller.DyLX0R/0/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 55.767232][ T4251] EXT4-fs (loop4): unmounting filesystem. [ 55.775723][ T4255] EXT4-fs (loop1): mounted filesystem without journal. Quota mode: writeback. [ 55.789582][ T4256] ext4 filesystem being mounted at /root/syzkaller.iKRH4t/0/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 55.803158][ T4255] ext4 filesystem being mounted at /root/syzkaller.rMpwL5/0/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 55.822366][ T4254] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: writeback. [ 55.826020][ T4249] EXT4-fs (loop2): unmounting filesystem. [ 55.840836][ T4254] ext4 filesystem being mounted at /root/syzkaller.PzDhyp/0/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 55.844075][ T4250] EXT4-fs (loop3): unmounting filesystem. [ 55.860778][ T4248] EXT4-fs (loop1): unmounting filesystem. executing program [ 55.875457][ T4247] EXT4-fs (loop0): unmounting filesystem. executing program executing program [ 55.896872][ T4272] loop4: detected capacity change from 0 to 512 [ 55.923828][ T4268] ------------[ cut here ]------------ [ 55.929487][ T4268] kernel BUG at fs/buffer.c:2666! executing program [ 55.954695][ T4268] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 55.960842][ T4268] CPU: 0 PID: 4268 Comm: kmmpd-loop0 Not tainted 6.1.129-syzkaller #0 [ 55.969030][ T4268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 55.979132][ T4268] RIP: 0010:submit_bh_wbc+0x4c0/0x4e0 [ 55.982648][ T4276] PM: Image not found (code -22) [ 55.984836][ T4268] Code: 02 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c be fe ff ff 48 89 ef e8 11 40 e0 ff e9 b1 fe ff ff e8 d7 e7 88 ff 0f 0b e8 d0 e7 88 ff <0f> 0b e8 c9 e7 88 ff 0f 0b e8 c2 e7 88 ff 0f 0b e8 bb e7 88 ff 0f [ 56.009548][ T4268] RSP: 0018:ffffc90003e57c40 EFLAGS: 00010293 [ 56.015721][ T4268] RAX: ffffffff8201af00 RBX: 0000000000000000 RCX: ffff88802593bb80 [ 56.021113][ T4276] loop3: detected capacity change from 0 to 512 [ 56.023695][ T4268] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 56.023709][ T4268] RBP: ffffc90003e57d50 R08: ffffffff8201aadd R09: ffffed100e25b306 [ 56.023719][ T4268] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100e25b305 [ 56.023728][ T4268] R13: ffff8880712d9828 R14: 0000000000000000 R15: 0000000000003801 [ 56.023737][ T4268] FS: 0000000000000000(0000) GS:ffff8880b8e00000(0000) knlGS:0000000000000000 [ 56.023750][ T4268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.023760][ T4268] CR2: 00007f158fa5b00a CR3: 000000002893e000 CR4: 00000000003506f0 [ 56.023773][ T4268] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.023782][ T4268] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.058601][ T4273] loop2: detected capacity change from 0 to 512 [ 56.062195][ T4268] Call Trace: [ 56.062211][ T4268] [ 56.062217][ T4268] ? __die_body+0x5e/0xa0 [ 56.119423][ T4268] ? die+0x83/0xb0 [ 56.123148][ T4268] ? do_trap+0x11e/0x350 [ 56.127382][ T4268] ? submit_bh_wbc+0x4c0/0x4e0 [ 56.132160][ T4268] ? submit_bh_wbc+0x4c0/0x4e0 [ 56.136915][ T4268] ? do_error_trap+0x13d/0x1e0 [ 56.141671][ T4268] ? submit_bh_wbc+0x4c0/0x4e0 [ 56.146445][ T4268] ? do_int3+0x30/0x30 [ 56.150530][ T4268] ? report_bug+0x3e0/0x500 [ 56.155035][ T4268] ? rcu_is_watching+0x11/0xb0 [ 56.159818][ T4268] ? handle_invalid_op+0x2c/0x40 [ 56.164769][ T4268] ? submit_bh_wbc+0x4c0/0x4e0 [ 56.169557][ T4268] ? exc_invalid_op+0x2f/0x40 [ 56.174257][ T4268] ? asm_exc_invalid_op+0x16/0x20 [ 56.179308][ T4268] ? submit_bh_wbc+0x9d/0x4e0 [ 56.184018][ T4268] ? submit_bh_wbc+0x4c0/0x4e0 [ 56.188803][ T4268] ? submit_bh_wbc+0x4c0/0x4e0 [ 56.193593][ T4268] write_mmp_block_thawed+0x3b6/0x5a0 [ 56.198966][ T4268] ? read_mmp_block+0x7e0/0x7e0 [ 56.203831][ T4268] ? update_process_times+0x1b0/0x1b0 [ 56.209245][ T4268] ? kmmpd+0x263/0xa70 [ 56.213347][ T4268] write_mmp_block+0x13f/0x390 [ 56.218122][ T4268] kmmpd+0x263/0xa70 [ 56.222037][ T4268] ? write_mmp_block_thawed+0x5a0/0x5a0 [ 56.227597][ T4268] ? __kthread_parkme+0x168/0x1c0 [ 56.232631][ T4268] kthread+0x28d/0x320 [ 56.236717][ T4268] ? write_mmp_block_thawed+0x5a0/0x5a0 [ 56.242543][ T4268] ? kthread_blkcg+0xd0/0xd0 [ 56.247167][ T4268] ret_from_fork+0x1f/0x30 [ 56.251854][ T4268] [ 56.254865][ T4268] Modules linked in: [ 56.268355][ T4272] EXT4-fs (loop4): mounted filesystem without journal. Quota mode: writeback. [ 56.279375][ T4268] ---[ end trace 0000000000000000 ]--- [ 56.280896][ T4272] ext4 filesystem being mounted at /root/syzkaller.rYv2Uo/1/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 56.285580][ T4268] RIP: 0010:submit_bh_wbc+0x4c0/0x4e0 [ 56.299275][ T4275] PM: Image not found (code -22) [ 56.305692][ T4268] Code: 02 89 e9 80 e1 07 80 c1 03 38 c1 0f 8c be fe ff ff 48 89 ef e8 11 40 e0 ff e9 b1 fe ff ff e8 d7 e7 88 ff 0f 0b e8 d0 e7 88 ff <0f> 0b e8 c9 e7 88 ff 0f 0b e8 c2 e7 88 ff 0f 0b e8 bb e7 88 ff 0f [ 56.320819][ T4276] EXT4-fs (loop3): mounted filesystem without journal. Quota mode: writeback. [ 56.328418][ T4268] RSP: 0018:ffffc90003e57c40 EFLAGS: 00010293 [ 56.339318][ T4275] loop1: detected capacity change from 0 to 512 [ 56.343545][ T4268] RAX: ffffffff8201af00 RBX: 0000000000000000 RCX: ffff88802593bb80 [ 56.351553][ T4273] EXT4-fs (loop2): mounted filesystem without journal. Quota mode: writeback. [ 56.358049][ T4268] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 56.374949][ T4268] RBP: ffffc90003e57d50 R08: ffffffff8201aadd R09: ffffed100e25b306 [ 56.383220][ T4268] R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffff1100e25b305 [ 56.391224][ T4268] R13: ffff8880712d9828 R14: 0000000000000000 R15: 0000000000003801 [ 56.399478][ T4268] FS: 0000000000000000(0000) GS:ffff8880b8f00000(0000) knlGS:0000000000000000 [ 56.408143][ T4276] ext4 filesystem being mounted at /root/syzkaller.DyLX0R/1/file0 supports timestamps until 2038-01-19 (0x7fffffff) [ 56.408699][ T4268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 56.427343][ T4268] CR2: 00007fff072ab000 CR3: 000000007e47a000 CR4: 00000000003506e0 [ 56.428145][ T4251] EXT4-fs (loop4): unmounting filesystem. [ 56.435393][ T4268] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 56.449209][ T4268] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 56.457488][ T4268] Kernel panic - not syncing: Fatal exception [ 56.463684][ T4268] Kernel Offset: disabled [ 56.468000][ T4268] Rebooting in 86400 seconds..