Starting sshd: OK syzkaller syzkaller login: [ 5.767507][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #08!!! [ 12.996197][ T23] kauditd_printk_skb: 60 callbacks suppressed [ 12.996203][ T23] audit: type=1400 audit(1656342829.370:71): avc: denied { transition } for pid=290 comm="sshd" path="/bin/sh" dev="sda1" ino=73 scontext=system_u:system_r:initrc_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.001290][ T23] audit: type=1400 audit(1656342829.380:72): avc: denied { write } for pid=290 comm="sh" path="pipe:[10903]" dev="pipefs" ino=10903 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:initrc_t tclass=fifo_file permissive=1 [ 13.757979][ T0] NOHZ tick-stop error: Non-RCU local softirq work is pending, handler #80!!! Warning: Permanently added '10.128.0.30' (ECDSA) to the list of known hosts. [ 58.996328][ T23] audit: type=1400 audit(1656342875.370:73): avc: denied { execmem } for pid=365 comm="syz-executor121" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 59.015758][ T23] audit: type=1400 audit(1656342875.380:74): avc: denied { mounton } for pid=365 comm="syz-executor121" path="/proc/sys/fs/binfmt_misc" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=dir permissive=1 executing program [ 59.040841][ T23] audit: type=1400 audit(1656342875.380:75): avc: denied { mount } for pid=365 comm="syz-executor121" name="/" dev="binfmt_misc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:binfmt_misc_fs_t tclass=filesystem permissive=1 [ 59.065812][ T23] audit: type=1400 audit(1656342875.390:76): avc: denied { mounton } for pid=366 comm="syz-executor121" path="/sys/fs/fuse/connections" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=dir permissive=1 [ 59.089809][ T23] audit: type=1400 audit(1656342875.390:77): avc: denied { mount } for pid=366 comm="syz-executor121" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 59.091944][ T369] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 59.112718][ T23] audit: type=1400 audit(1656342875.390:78): avc: denied { mounton } for pid=366 comm="syz-executor121" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 59.129258][ T372] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 59.142936][ T23] audit: type=1400 audit(1656342875.430:79): avc: denied { mounton } for pid=366 comm="syz-executor121" path="/dev/binderfs" dev="devtmpfs" ino=363 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 59.142953][ T23] audit: type=1400 audit(1656342875.430:80): avc: denied { mount } for pid=366 comm="syz-executor121" name="/" dev="binder" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=filesystem permissive=1 [ 59.157487][ T368] EXT4-fs (loop0): pa ffff88810e3aaf18: logic 16, phys. 128, len 24 [ 59.180336][ T23] audit: type=1400 audit(1656342875.430:81): avc: denied { read write } for pid=366 comm="syz-executor121" name="loop0" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 59.202625][ T368] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, [ 59.210790][ T23] audit: type=1400 audit(1656342875.430:82): avc: denied { open } for pid=366 comm="syz-executor121" path="/dev/loop0" dev="devtmpfs" ino=115 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fixed_disk_device_t tclass=blk_file permissive=1 [ 59.234742][ T368] free 8, pa_free 24 executing program [ 59.353413][ T374] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 59.363279][ T377] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 59.377848][ T373] EXT4-fs (loop0): pa ffff88811a4e6bd0: logic 16, phys. 128, len 24 [ 59.385834][ T373] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, free 8, pa_free 24 executing program [ 59.473395][ T379] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 59.483161][ T382] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 59.497710][ T378] EXT4-fs (loop0): pa ffff88810e3aad20: logic 16, phys. 128, len 24 [ 59.505680][ T378] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, free 8, pa_free 24 executing program [ 59.562995][ T384] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 59.573021][ T387] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 59.587667][ T383] EXT4-fs (loop0): pa ffff88810e3aa1f8: logic 16, phys. 128, len 24 [ 59.595649][ T383] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, free 8, pa_free 24 executing program [ 59.752200][ T389] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 59.762585][ T392] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 59.777115][ T388] EXT4-fs (loop0): pa ffff88810e3aab28: logic 16, phys. 128, len 24 [ 59.785199][ T388] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, free 8, pa_free 24 executing program [ 59.912684][ T394] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 59.922568][ T397] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 59.937174][ T393] EXT4-fs (loop0): pa ffff88810e3aadc8: logic 16, phys. 128, len 24 [ 59.945696][ T393] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, free 8, pa_free 24 executing program [ 60.003006][ T399] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 60.012753][ T402] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 60.027291][ T398] EXT4-fs (loop0): pa ffff88811a5a10a8: logic 16, phys. 128, len 24 [ 60.035270][ T398] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, free 8, pa_free 24 executing program executing program [ 60.153353][ T404] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 60.163282][ T407] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 60.177765][ T403] EXT4-fs (loop0): pa ffff88811a5a19d8: logic 16, phys. 128, len 24 [ 60.185733][ T403] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, free 8, pa_free 24 [ 60.232476][ T409] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 60.242626][ T412] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 60.257275][ T408] EXT4-fs (loop0): pa ffff88811a5a12a0: logic 16, phys. 128, len 24 [ 60.265248][ T408] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, free 8, pa_free 24 executing program executing program [ 60.393039][ T414] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 60.403094][ T417] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 60.417788][ T413] EXT4-fs (loop0): pa ffff88811a5a17e0: logic 16, phys. 128, len 24 [ 60.425779][ T413] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, free 8, pa_free 24 [ 60.472838][ T419] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 60.483077][ T422] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 60.499625][ T418] EXT4-fs (loop0): pa ffff88811a4e6d20: logic 16, phys. 128, len 24 [ 60.507666][ T418] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, free 8, pa_free 24 executing program [ 60.634035][ T424] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 60.645038][ T427] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 60.659912][ T423] EXT4-fs (loop0): pa ffff88811a5a1b28: logic 16, phys. 128, len 24 [ 60.667902][ T423] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, free 8, pa_free 24 executing program [ 60.754453][ T429] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 60.768629][ T432] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 60.783130][ T428] EXT4-fs (loop0): pa ffff88811a5a1dc8: logic 16, phys. 128, len 24 [ 60.791163][ T428] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, free 8, pa_free 24 executing program [ 60.913972][ T434] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 60.924789][ T437] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 60.939307][ T433] EXT4-fs (loop0): pa ffff88811a4e6540: logic 16, phys. 128, len 24 [ 60.947366][ T433] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, free 8, pa_free 24 executing program [ 61.040859][ T439] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 61.050942][ T442] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 61.065457][ T438] EXT4-fs (loop0): pa ffff88811a4e6738: logic 16, phys. 128, len 24 [ 61.073459][ T438] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, free 8, pa_free 24 executing program [ 61.152271][ T444] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 61.164171][ T447] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 61.178807][ T443] EXT4-fs (loop0): pa ffff88811a5b6a80: logic 16, phys. 128, len 24 [ 61.186802][ T443] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, free 8, pa_free 24 executing program [ 61.276518][ T449] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 61.288431][ T452] EXT4-fs error (device loop0): ext4_mb_mark_diskspace_used:3243: comm syz-executor121: Allocating blocks 128-384 which overlap fs metadata [ 61.303112][ T448] EXT4-fs (loop0): pa ffff88811a4e6c78: logic 16, phys. 128, len 24 [ 61.311143][ T448] EXT4-fs error (device loop0): ext4_mb_release_inode_pa:4222: group 0, free 8, pa_free 24 executing program [ 61.432460][ T454] EXT4-fs (loop0): mounted filesystem without journal. Opts: ,errors=continue [ 61.444518][ T454] ------------[ cut here ]------------ [ 61.450171][ T454] kernel BUG at fs/ext4/inline.c:760! [ 61.455577][ T454] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 61.461636][ T454] CPU: 1 PID: 454 Comm: syz-executor121 Not tainted 5.10.118-syzkaller-00106-g73c2a811f6d1 #0 [ 61.471847][ T454] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 61.481892][ T454] RIP: 0010:ext4_write_inline_data_end+0x4a4/0x4b0 [ 61.488367][ T454] Code: ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e0 fd ff ff 4c 89 e7 e8 eb e0 cc ff e9 d3 fd ff ff e8 51 1c b7 02 e8 4c 0b 93 ff <0f> 0b e8 45 0b 93 ff 0f 0b 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 [ 61.507942][ T454] RSP: 0018:ffffc90000d976a0 EFLAGS: 00010293 [ 61.513985][ T454] RAX: ffffffff81d9a694 RBX: 0000000000000000 RCX: ffff88810c294f00 [ 61.521928][ T454] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 61.529905][ T454] RBP: ffffc90000d97788 R08: ffffffff81d9a394 R09: ffffed10234a96b0 [ 61.537848][ T454] R10: ffffed10234a96b0 R11: 1ffff110234a96af R12: 0000004c00080000 [ 61.545801][ T454] R13: ffff88811a54b578 R14: ffffea00046ebe40 R15: ffff88811a54b6c0 [ 61.553744][ T454] FS: 00007f0476a4f700(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 61.562654][ T454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.569210][ T454] CR2: 00007f0476a2e718 CR3: 000000010c342000 CR4: 00000000003506a0 [ 61.577155][ T454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.585115][ T454] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.593056][ T454] Call Trace: [ 61.596322][ T454] ? ext4_convert_inline_data_to_extent+0xdc0/0xdc0 [ 61.602880][ T454] ? ext4_initxattrs+0x120/0x120 [ 61.607788][ T454] ? __vfs_getxattr+0x62f/0x700 [ 61.612606][ T454] ext4_write_end+0x1e5/0xde0 [ 61.617252][ T454] ext4_da_write_end+0xb7/0xb40 [ 61.622085][ T454] ? asan.module_dtor+0x20/0x20 [ 61.626914][ T454] ? ext4_da_write_begin+0xf10/0xf10 [ 61.632167][ T454] generic_perform_write+0x410/0x5b0 [ 61.637421][ T454] ? grab_cache_page_write_begin+0xa0/0xa0 [ 61.643200][ T454] ? generic_write_checks+0x3d8/0x490 [ 61.648541][ T454] ext4_buffered_write_iter+0x47c/0x610 [ 61.654057][ T454] ext4_file_write_iter+0x192/0x1cd0 [ 61.659311][ T454] ? avc_policy_seqno+0x1b/0x70 [ 61.664130][ T454] ? selinux_file_permission+0x2a9/0x520 [ 61.669731][ T454] ? fsnotify_perm+0x67/0x4e0 [ 61.674392][ T454] ? ext4_file_read_iter+0x4d0/0x4d0 [ 61.679643][ T454] ? security_file_permission+0xa8/0xc0 [ 61.685157][ T454] ? iov_iter_init+0x3f/0x120 [ 61.689813][ T454] vfs_write+0xc1c/0xf40 [ 61.694027][ T454] ? futex_exit_release+0x1d0/0x1d0 [ 61.699191][ T454] ? kernel_write+0x3c0/0x3c0 [ 61.703847][ T454] ? mutex_trylock+0xb0/0xb0 [ 61.708418][ T454] ? __fdget_pos+0x26d/0x310 [ 61.712986][ T454] ? ksys_write+0x77/0x2c0 [ 61.717386][ T454] ksys_write+0x198/0x2c0 [ 61.721684][ T454] ? __kasan_check_write+0x14/0x20 [ 61.726761][ T454] ? __ia32_sys_read+0x90/0x90 [ 61.731495][ T454] ? __x64_sys_creat+0x11f/0x160 [ 61.736412][ T454] __x64_sys_write+0x7b/0x90 [ 61.740971][ T454] do_syscall_64+0x34/0x70 [ 61.745355][ T454] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 61.751216][ T454] RIP: 0033:0x7f0476aa3029 [ 61.755601][ T454] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 61.775183][ T454] RSP: 002b:00007f0476a4f2f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 61.783563][ T454] RAX: ffffffffffffffda RBX: 00007f0476b294a0 RCX: 00007f0476aa3029 [ 61.791507][ T454] RDX: 0000000000000028 RSI: 0000000020000280 RDI: 0000000000000003 [ 61.799455][ T454] RBP: 00007f0476af61ec R08: 0000000000000000 R09: 0000000000000000 [ 61.807432][ T454] R10: 0000000000000000 R11: 0000000000000246 R12: 0030656c69662f2e [ 61.815459][ T454] R13: 00007f0476af51e8 R14: e5d26e84aa4cf3c6 R15: 00007f0476b294a8 [ 61.823402][ T454] Modules linked in: [ 61.827499][ T454] ---[ end trace 0626da002cc467e1 ]--- [ 61.832962][ T454] RIP: 0010:ext4_write_inline_data_end+0x4a4/0x4b0 [ 61.839511][ T454] Code: ff ff 44 89 e1 80 e1 07 80 c1 03 38 c1 0f 8c e0 fd ff ff 4c 89 e7 e8 eb e0 cc ff e9 d3 fd ff ff e8 51 1c b7 02 e8 4c 0b 93 ff <0f> 0b e8 45 0b 93 ff 0f 0b 0f 1f 00 55 48 89 e5 41 57 41 56 41 55 [ 61.859184][ T454] RSP: 0018:ffffc90000d976a0 EFLAGS: 00010293 [ 61.865231][ T454] RAX: ffffffff81d9a694 RBX: 0000000000000000 RCX: ffff88810c294f00 [ 61.873558][ T454] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 61.881615][ T454] RBP: ffffc90000d97788 R08: ffffffff81d9a394 R09: ffffed10234a96b0 [ 61.889602][ T454] R10: ffffed10234a96b0 R11: 1ffff110234a96af R12: 0000004c00080000 [ 61.897586][ T454] R13: ffff88811a54b578 R14: ffffea00046ebe40 R15: ffff88811a54b6c0 [ 61.905548][ T454] FS: 00007f0476a4f700(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 61.914576][ T454] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.921266][ T454] CR2: 00007f0476a50000 CR3: 000000010c342000 CR4: 00000000003506b0 [ 61.929271][ T454] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.937339][ T454] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.945291][ T454] Kernel panic - not syncing: Fatal exception [ 61.951493][ T454] Kernel Offset: disabled [ 61.955795][ T454] Rebooting in 86400 seconds..