Warning: Permanently added '10.128.0.73' (ED25519) to the list of known hosts. [ 21.461428][ T28] audit: type=1400 audit(1748682668.807:64): avc: denied { execmem } for pid=282 comm="syz-executor809" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.480917][ T28] audit: type=1400 audit(1748682668.807:65): avc: denied { mounton } for pid=283 comm="syz-executor809" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 executing program [ 21.502926][ T28] audit: type=1400 audit(1748682668.827:66): avc: denied { mounton } for pid=283 comm="syz-executor809" path="/root/syz-tmp" dev="sda1" ino=2023 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 21.505001][ T283] request_module fs-gadgetfs succeeded, but still no fs? [ 21.525993][ T28] audit: type=1400 audit(1748682668.827:67): avc: denied { mount } for pid=283 comm="syz-executor809" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 21.540818][ T283] loop0: detected capacity change from 0 to 1024 [ 21.555318][ T28] audit: type=1400 audit(1748682668.827:68): avc: denied { mounton } for pid=283 comm="syz-executor809" path="/root/syz-tmp/newroot/dev" dev="tmpfs" ino=3 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_tmpfs_t tclass=dir permissive=1 [ 21.569169][ T283] EXT4-fs: Ignoring removed mblk_io_submit option [ 21.592500][ T283] EXT4-fs: Warning: mounting with an experimental mount option 'dioread_nolock' for blocksize < PAGE_SIZE [ 21.603739][ T28] audit: type=1400 audit(1748682668.827:69): avc: denied { mount } for pid=283 comm="syz-executor809" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 21.626206][ T28] audit: type=1400 audit(1748682668.827:70): avc: denied { mounton } for pid=283 comm="syz-executor809" path="/root/syz-tmp/newroot/sys/kernel/debug" dev="debugfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:debugfs_t tclass=dir permissive=1 [ 21.636187][ T283] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 21.651564][ T28] audit: type=1400 audit(1748682668.827:71): avc: denied { mounton } for pid=283 comm="syz-executor809" path="/root/syz-tmp/newroot/proc/sys/fs/binfmt_misc" dev="proc" ino=11156 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:sysctl_fs_t tclass=dir permissive=1 [ 21.686984][ T28] audit: type=1400 audit(1748682668.827:72): avc: denied { unmount } for pid=283 comm="syz-executor809" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 21.706696][ T28] audit: type=1400 audit(1748682668.847:73): avc: denied { mounton } for pid=283 comm="syz-executor809" path="/dev/gadgetfs" dev="devtmpfs" ino=570 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:device_t tclass=dir permissive=1 [ 21.764543][ T8] ------------[ cut here ]------------ [ 21.770024][ T8] kernel BUG at fs/ext4/inode.c:2447! [ 21.775731][ T8] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 21.781808][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 6.1.138-syzkaller-00046-gdb710ea87c32 #0 [ 21.791519][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 21.801571][ T8] Workqueue: writeback wb_workfn (flush-7:0) [ 21.807577][ T8] RIP: 0010:ext4_writepages+0x2f61/0x3020 [ 21.813306][ T8] Code: 08 48 89 df e8 50 17 cb ff 48 8b 3b 48 8b 74 24 40 48 8b 54 24 30 48 8b 4c 24 20 45 89 f0 e8 46 c8 07 00 eb 5b e8 9f be 86 ff <0f> 0b e8 98 be 86 ff eb 2f e8 91 be 86 ff eb 69 e8 8a be 86 ff 31 [ 21.832911][ T8] RSP: 0018:ffffc90000087120 EFLAGS: 00010293 [ 21.838980][ T8] RAX: ffffffff81e93271 RBX: 0000000000000000 RCX: ffff888100395100 [ 21.846950][ T8] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 21.854913][ T8] RBP: ffffc90000087490 R08: dffffc0000000000 R09: ffffed10200b0026 [ 21.862885][ T8] R10: ffffed10200b0026 R11: 1ffff110200b0025 R12: dffffc0000000000 [ 21.870856][ T8] R13: 0000000000000000 R14: ffff888100580168 R15: 000000000000042b [ 21.878911][ T8] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 21.887843][ T8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 21.894508][ T8] CR2: 000055992c9921f8 CR3: 0000000006e0f000 CR4: 00000000003506a0 [ 21.902477][ T8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 21.910438][ T8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 21.918402][ T8] Call Trace: [ 21.921675][ T8] [ 21.924596][ T8] ? arch_stack_walk+0x124/0x150 [ 21.929549][ T8] ? xas_load+0x39e/0x3b0 [ 21.933875][ T8] ? __cfi_ext4_writepages+0x10/0x10 [ 21.939157][ T8] ? __kasan_check_write+0x14/0x20 [ 21.944276][ T8] ? __filemap_get_folio+0x81c/0x980 [ 21.949576][ T8] ? ext4_end_io_rsv_work+0x2b9/0x600 [ 21.954958][ T8] ? process_one_work+0x71f/0xc40 [ 21.959987][ T8] ? worker_thread+0xa29/0x11f0 [ 21.964864][ T8] ? update_load_avg+0x4c2/0x13f0 [ 21.969906][ T8] ? __cfi_ext4_writepages+0x10/0x10 [ 21.975192][ T8] do_writepages+0x3a9/0x5e0 [ 21.979780][ T8] ? enqueue_task_fair+0xb91/0x1d10 [ 21.984983][ T8] ? __cfi_do_writepages+0x10/0x10 [ 21.990147][ T8] ? update_load_avg+0x4c2/0x13f0 [ 21.995191][ T8] ? __kasan_check_write+0x14/0x20 [ 22.000376][ T8] __writeback_single_inode+0xc6/0xad0 [ 22.005836][ T8] writeback_sb_inodes+0x9b8/0x1550 [ 22.011032][ T8] ? inat_get_escape_attribute+0x111/0x1a0 [ 22.016846][ T8] ? insn_get_opcode+0x79f/0xa90 [ 22.021814][ T8] ? queue_io+0x4c0/0x4c0 [ 22.026144][ T8] ? __kasan_check_read+0x11/0x20 [ 22.031184][ T8] ? queue_io+0x382/0x4c0 [ 22.035523][ T8] wb_writeback+0x3f1/0x980 [ 22.040046][ T8] ? inode_cgwb_move_to_attached+0x3e0/0x3e0 [ 22.046023][ T8] ? set_worker_desc+0x155/0x1c0 [ 22.050980][ T8] ? __kasan_check_write+0x14/0x20 [ 22.056106][ T8] wb_workfn+0x350/0xda0 [ 22.060350][ T8] ? __cfi_wb_workfn+0x10/0x10 [ 22.065109][ T8] ? toggle_allocation_gate+0x3aa/0x400 [ 22.070652][ T8] ? __cfi_toggle_allocation_gate+0x10/0x10 [ 22.076552][ T8] ? finish_task_switch+0x16b/0x7b0 [ 22.081751][ T8] ? __cfi_autoremove_wake_function+0x10/0x10 [ 22.087851][ T8] ? __kasan_check_write+0x14/0x20 [ 22.092967][ T8] ? _raw_spin_lock_irq+0x8f/0xe0 [ 22.097998][ T8] ? __cfi__raw_spin_lock_irq+0x10/0x10 [ 22.103548][ T8] ? pwq_dec_nr_in_flight+0x18c/0x3c0 [ 22.108953][ T8] process_one_work+0x71f/0xc40 [ 22.113805][ T8] worker_thread+0xa29/0x11f0 [ 22.118497][ T8] kthread+0x281/0x320 [ 22.122572][ T8] ? __cfi_worker_thread+0x10/0x10 [ 22.127696][ T8] ? __cfi_kthread+0x10/0x10 [ 22.132287][ T8] ret_from_fork+0x1f/0x30 [ 22.136806][ T8] [ 22.139815][ T8] Modules linked in: [ 22.144224][ T8] ---[ end trace 0000000000000000 ]--- [ 22.149704][ T8] RIP: 0010:ext4_writepages+0x2f61/0x3020 [ 22.155466][ T8] Code: 08 48 89 df e8 50 17 cb ff 48 8b 3b 48 8b 74 24 40 48 8b 54 24 30 48 8b 4c 24 20 45 89 f0 e8 46 c8 07 00 eb 5b e8 9f be 86 ff <0f> 0b e8 98 be 86 ff eb 2f e8 91 be 86 ff eb 69 e8 8a be 86 ff 31 [ 22.175179][ T8] RSP: 0018:ffffc90000087120 EFLAGS: 00010293 [ 22.181847][ T8] RAX: ffffffff81e93271 RBX: 0000000000000000 RCX: ffff888100395100 [ 22.189925][ T8] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 22.198004][ T8] RBP: ffffc90000087490 R08: dffffc0000000000 R09: ffffed10200b0026 [ 22.206022][ T8] R10: ffffed10200b0026 R11: 1ffff110200b0025 R12: dffffc0000000000 [ 22.214112][ T8] R13: 0000000000000000 R14: ffff888100580168 R15: 000000000000042b [ 22.222113][ T8] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 22.231249][ T8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.237897][ T8] CR2: 000055992c9921f8 CR3: 0000000110139000 CR4: 00000000003506a0 [ 22.245916][ T8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.253929][ T8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.261908][ T8] Kernel panic - not syncing: Fatal exception [ 22.268192][ T8] Kernel Offset: disabled [ 22.272509][ T8] Rebooting in 86400 seconds..