syzkaller syzkaller login: [ 18.930969][ T1700] sftp-server (1700) used greatest stack depth: 22480 bytes left [ 25.281699][ T1716] cgroup: Unknown subsys name 'net' [ 25.408653][ T1716] cgroup: Unknown subsys name 'rlimit' [ 28.968201][ T1719] syz-executor.0 (1719) used greatest stack depth: 19576 bytes left [ 29.658938][ T2132] UDPLite6: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list [ 29.824061][ T2132] UDPLite: UDP-Lite is deprecated and scheduled to be removed in 2025, please contact the netdev mailing list Warning: Permanently added '10.128.10.16' (ED25519) to the list of known hosts. 2023/12/26 03:34:23 ignoring optional flag "sandboxArg"="0" 2023/12/26 03:34:24 parsed 1 programs 2023/12/26 03:34:24 executed programs: 0 [ 51.597521][ T2655] loop0: detected capacity change from 0 to 2048 [ 51.606664][ T2655] UDF-fs: INFO Mounting volume 'LinuxUDF', timestamp 2022/11/22 14:59 (1000) [ 51.688793][ T2243] BUG: unable to handle page fault for address: ffffed101c72e53f [ 51.696527][ T2243] #PF: supervisor read access in kernel mode [ 51.702503][ T2243] #PF: error_code(0x0000) - not-present page [ 51.708682][ T2243] PGD 23ffee067 P4D 23ffee067 PUD 13fff5067 PMD 0 [ 51.715164][ T2243] Oops: 0000 [#1] PREEMPT SMP KASAN [ 51.720337][ T2243] CPU: 0 PID: 2243 Comm: syz-executor.0 Not tainted 6.7.0-rc7-syzkaller #0 [ 51.729025][ T2243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 [ 51.739315][ T2243] RIP: 0010:udf_close_lvid+0x156/0x930 [ 51.744852][ T2243] Code: 0f 84 0e 04 00 00 48 8b 44 24 30 48 8d b8 c0 00 00 00 48 89 7c 24 48 31 f6 e8 a6 59 12 03 49 8d 7c 24 18 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 50 04 00 00 4c 89 74 24 50 41 c6 44 24 [ 51.764438][ T2243] RSP: 0018:ffffc90001f9fbc0 EFLAGS: 00010a06 [ 51.770590][ T2243] RAX: 1ffff1101c72e53f RBX: ffff888056d2104b RCX: dd8a6daf2b563a00 [ 51.778559][ T2243] RDX: 1ffff920003f3f44 RSI: ffffffff859030e0 RDI: ffff8880e39729f8 [ 51.786517][ T2243] RBP: ffffc90001f9fcc0 R08: ffffffff872174af R09: 1ffffffff0e42e95 [ 51.794481][ T2243] R10: dffffc0000000000 R11: fffffbfff0e42e96 R12: ffff8880e39729e0 [ 51.802509][ T2243] R13: dffffc0000000000 R14: 1ffff920003f3f84 R15: ffff888056494618 [ 51.810564][ T2243] FS: 0000555555e03480(0000) GS:ffff8880bac00000(0000) knlGS:0000000000000000 [ 51.819748][ T2243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 51.826319][ T2243] CR2: ffffed101c72e53f CR3: 0000000079046000 CR4: 00000000003506f0 [ 51.834273][ T2243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 51.842224][ T2243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 51.850435][ T2243] Call Trace: [ 51.853696][ T2243] [ 51.856608][ T2243] ? __die_body+0x5e/0xa0 [ 51.861184][ T2243] ? page_fault_oops+0x679/0x870 [ 51.866092][ T2243] ? kernelmode_fixup_or_oops+0x1c0/0x1c0 [ 51.871791][ T2243] ? page_fault_oops+0x870/0x870 [ 51.876788][ T2243] ? udf_close_lvid+0x14a/0x930 [ 51.881960][ T2243] ? kernelmode_fixup_or_oops+0x14a/0x1c0 [ 51.887650][ T2243] ? exc_page_fault+0x62f/0x8d0 [ 51.892476][ T2243] ? asm_exc_page_fault+0x26/0x30 [ 51.897564][ T2243] ? udf_close_lvid+0x156/0x930 [ 51.902389][ T2243] ? hook_sb_delete+0x180/0x7f0 [ 51.907295][ T2243] ? hook_inode_free_security+0x10/0x10 [ 51.912855][ T2243] ? udf_open_lvid+0x5a0/0x5a0 [ 51.917589][ T2243] ? dput+0x3c/0x2b0 [ 51.921456][ T2243] udf_put_super+0xb1/0x130 [ 51.926033][ T2243] generic_shutdown_super+0x10e/0x260 [ 51.931475][ T2243] kill_block_super+0x3f/0x80 [ 51.936413][ T2243] deactivate_locked_super+0x9e/0x270 [ 51.941846][ T2243] cleanup_mnt+0x2a6/0x320 [ 51.946238][ T2243] task_work_run+0x20a/0x280 [ 51.950981][ T2243] ? task_work_cancel+0x2a0/0x2a0 [ 51.955978][ T2243] ? __x64_sys_umount+0xe8/0x120 [ 51.960976][ T2243] ? path_umount+0xcc0/0xcc0 [ 51.965553][ T2243] exit_to_user_mode_loop+0xa9/0xc0 [ 51.970903][ T2243] exit_to_user_mode_prepare+0x64/0xb0 [ 51.976508][ T2243] syscall_exit_to_user_mode+0x2c/0x1e0 [ 51.982043][ T2243] do_syscall_64+0x52/0xe0 [ 51.986606][ T2243] entry_SYSCALL_64_after_hwframe+0x63/0x6b [ 51.992486][ T2243] RIP: 0033:0x7f3deba7dc87 [ 51.996976][ T2243] Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 [ 52.016767][ T2243] RSP: 002b:00007ffe4c708bf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 [ 52.025167][ T2243] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f3deba7dc87 [ 52.033545][ T2243] RDX: 0000000000000000 RSI: 000000000000000a RDI: 00007ffe4c708cb0 [ 52.041496][ T2243] RBP: 00007ffe4c708cb0 R08: 0000000000000000 R09: 0000000000000000 [ 52.049631][ T2243] R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffe4c709d70 [ 52.057867][ T2243] R13: 00007f3debad7c5a R14: 000000000000c962 R15: 0000000000000006 [ 52.065843][ T2243] [ 52.068881][ T2243] Modules linked in: [ 52.073017][ T2243] CR2: ffffed101c72e53f [ 52.077232][ T2243] ---[ end trace 0000000000000000 ]--- [ 52.082842][ T2243] RIP: 0010:udf_close_lvid+0x156/0x930 [ 52.088285][ T2243] Code: 0f 84 0e 04 00 00 48 8b 44 24 30 48 8d b8 c0 00 00 00 48 89 7c 24 48 31 f6 e8 a6 59 12 03 49 8d 7c 24 18 48 89 f8 48 c1 e8 03 <42> 0f b6 04 28 84 c0 0f 85 50 04 00 00 4c 89 74 24 50 41 c6 44 24 [ 52.107908][ T2243] RSP: 0018:ffffc90001f9fbc0 EFLAGS: 00010a06 [ 52.114125][ T2243] RAX: 1ffff1101c72e53f RBX: ffff888056d2104b RCX: dd8a6daf2b563a00 [ 52.122256][ T2243] RDX: 1ffff920003f3f44 RSI: ffffffff859030e0 RDI: ffff8880e39729f8 [ 52.130490][ T2243] RBP: ffffc90001f9fcc0 R08: ffffffff872174af R09: 1ffffffff0e42e95 [ 52.138542][ T2243] R10: dffffc0000000000 R11: fffffbfff0e42e96 R12: ffff8880e39729e0 [ 52.147030][ T2243] R13: dffffc0000000000 R14: 1ffff920003f3f84 R15: ffff888056494618 [ 52.155080][ T2243] FS: 0000555555e03480(0000) GS:ffff8880bac00000(0000) knlGS:0000000000000000 [ 52.164071][ T2243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 52.170648][ T2243] CR2: ffffed101c72e53f CR3: 0000000079046000 CR4: 00000000003506f0 [ 52.178783][ T2243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 52.186833][ T2243] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 52.195132][ T2243] Kernel panic - not syncing: Fatal exception [ 52.201422][ T2243] Kernel Offset: disabled [ 52.205985][ T2243] Rebooting in 86400 seconds..