[ 13.742912][ T28] audit: type=1400 audit(1725097804.183:63): avc: denied { write } for pid=227 comm="sh" path="pipe:[14616]" dev="pipefs" ino=14616 scontext=root:sysadm_r:sysadm_t tcontext=system_u:system_r:sshd_t tclass=fifo_file permissive=1 [ 13.746064][ T28] audit: type=1400 audit(1725097804.183:64): avc: denied { rlimitinh } for pid=227 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 13.749178][ T28] audit: type=1400 audit(1725097804.183:65): avc: denied { siginh } for pid=227 comm="sh" scontext=system_u:system_r:sshd_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 Warning: Permanently added '10.128.1.84' (ED25519) to the list of known hosts. executing program [ 21.953409][ T28] audit: type=1400 audit(1725097812.403:66): avc: denied { execmem } for pid=289 comm="syz-executor380" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=process permissive=1 [ 21.972995][ T28] audit: type=1400 audit(1725097812.403:67): avc: denied { setattr } for pid=289 comm="syz-executor380" name="raw-gadget" dev="devtmpfs" ino=166 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:device_t tclass=chr_file permissive=1 [ 21.980930][ T290] loop0: detected capacity change from 0 to 2048 [ 21.996381][ T28] audit: type=1400 audit(1725097812.403:68): avc: denied { mounton } for pid=290 comm="syz-executor380" 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 [ 22.026543][ T28] audit: type=1400 audit(1725097812.403:69): avc: denied { mount } for pid=290 comm="syz-executor380" name="/" dev="fusectl" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fusefs_t tclass=filesystem permissive=1 [ 22.048804][ T28] audit: type=1400 audit(1725097812.403:70): avc: denied { mounton } for pid=290 comm="syz-executor380" path="/" dev="sda1" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:root_t tclass=dir permissive=1 [ 22.051072][ T290] EXT4-fs (loop0): mounted filesystem without journal. Quota mode: none. [ 22.070248][ T28] audit: type=1400 audit(1725097812.403:71): avc: denied { mounton } for pid=290 comm="syz-executor380" path="/root/syzkaller.RUdF5j/syz-tmp" dev="sda1" ino=1927 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 22.102626][ T28] audit: type=1400 audit(1725097812.403:72): avc: denied { mount } for pid=290 comm="syz-executor380" name="/" dev="tmpfs" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:tmpfs_t tclass=filesystem permissive=1 [ 22.103291][ T290] EXT4-fs error (device loop0): ext4_mb_generate_buddy:1102: group 0, block bitmap and bg descriptor inconsistent: 25 vs 150994969 free clusters [ 22.124755][ T28] audit: type=1400 audit(1725097812.403:73): avc: denied { mounton } for pid=290 comm="syz-executor380" path="/root/syzkaller.RUdF5j/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 [ 22.164285][ T28] audit: type=1400 audit(1725097812.403:74): avc: denied { mount } for pid=290 comm="syz-executor380" name="/" dev="proc" ino=1 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:proc_t tclass=filesystem permissive=1 [ 22.185986][ T28] audit: type=1400 audit(1725097812.403:75): avc: denied { unmount } for pid=290 comm="syz-executor380" scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:fs_t tclass=filesystem permissive=1 [ 22.206061][ T8] ------------[ cut here ]------------ [ 22.211356][ T8] kernel BUG at fs/ext4/inode.c:2749! [ 22.216547][ T8] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 22.222425][ T8] CPU: 1 PID: 8 Comm: kworker/u4:0 Not tainted 6.1.93-syzkaller-00068-gb5e374dda921 #0 [ 22.231885][ T8] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 [ 22.241785][ T8] Workqueue: writeback wb_workfn (flush-7:0) [ 22.247594][ T8] RIP: 0010:ext4_writepages+0x3fab/0x3fd0 [ 22.253150][ T8] Code: 98 80 ff 31 ff 89 de e8 93 98 80 ff 45 84 f6 75 2a e8 f9 95 80 ff 49 bc 00 00 00 00 00 fc ff df e9 6e f6 ff ff e8 e5 95 80 ff <0f> 0b e8 de 95 80 ff e8 45 78 0b ff e9 46 c3 ff ff e8 cf 95 80 ff [ 22.272590][ T8] RSP: 0018:ffffc90000087000 EFLAGS: 00010293 [ 22.278492][ T8] RAX: ffffffff81f50f6b RBX: 0000008000000000 RCX: ffff88810039d100 [ 22.286301][ T8] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 22.294200][ T8] RBP: ffffc90000087410 R08: ffffffff81f4d6cb R09: ffffed10217d267a [ 22.302016][ T8] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881254d6000 [ 22.309825][ T8] R13: ffff88810be93508 R14: 000000c410000000 R15: ffffc900000872e0 [ 22.317632][ T8] FS: 0000000000000000(0000) GS:ffff8881f7100000(0000) knlGS:0000000000000000 [ 22.326398][ T8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.332822][ T8] CR2: 00007f28c601d848 CR3: 000000010ed52000 CR4: 00000000003506a0 [ 22.340635][ T8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.348444][ T8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.356255][ T8] Call Trace: [ 22.359384][ T8] [ 22.362159][ T8] ? __die_body+0x62/0xb0 [ 22.366325][ T8] ? die+0x88/0xb0 [ 22.369885][ T8] ? do_trap+0x103/0x330 [ 22.373963][ T8] ? ext4_writepages+0x3fab/0x3fd0 [ 22.378909][ T8] ? handle_invalid_op+0x95/0xc0 [ 22.383681][ T8] ? ext4_writepages+0x3fab/0x3fd0 [ 22.388634][ T8] ? exc_invalid_op+0x32/0x50 [ 22.393144][ T8] ? asm_exc_invalid_op+0x1b/0x20 [ 22.398007][ T8] ? ext4_writepages+0x70b/0x3fd0 [ 22.402866][ T8] ? ext4_writepages+0x3fab/0x3fd0 [ 22.407810][ T8] ? ext4_writepages+0x3fab/0x3fd0 [ 22.412761][ T8] ? sched_group_set_idle+0x710/0x710 [ 22.417968][ T8] ? psi_task_change+0x1d3/0x360 [ 22.422742][ T8] ? ext4_read_folio+0x240/0x240 [ 22.427512][ T8] ? check_preempt_wakeup+0x7ca/0xb30 [ 22.432721][ T8] ? cpudl_cleanup+0x40/0x40 [ 22.437149][ T8] ? __kasan_check_write+0x14/0x20 [ 22.442095][ T8] ? ext4_read_folio+0x240/0x240 [ 22.446868][ T8] do_writepages+0x385/0x620 [ 22.451298][ T8] ? __writepage+0x130/0x130 [ 22.455723][ T8] __writeback_single_inode+0xdc/0xb80 [ 22.461018][ T8] writeback_sb_inodes+0xb32/0x1910 [ 22.466050][ T8] ? _raw_spin_lock+0xa4/0x1b0 [ 22.470654][ T8] ? queue_io+0x520/0x520 [ 22.474813][ T8] ? __writeback_inodes_wb+0x3f0/0x3f0 [ 22.480110][ T8] ? queue_io+0x3d0/0x520 [ 22.484275][ T8] ? memset+0x35/0x40 [ 22.488095][ T8] wb_writeback+0x3b9/0x9f0 [ 22.492436][ T8] ? inode_cgwb_move_to_attached+0x3c0/0x3c0 [ 22.498247][ T8] ? set_worker_desc+0x158/0x1c0 [ 22.503021][ T8] ? cpudl_cleanup+0x40/0x40 [ 22.507453][ T8] ? __kasan_check_write+0x14/0x20 [ 22.512400][ T8] wb_workfn+0x399/0x1030 [ 22.516565][ T8] ? inode_wait_for_writeback+0x280/0x280 [ 22.522119][ T8] ? _raw_spin_unlock+0x4c/0x70 [ 22.526803][ T8] ? finish_task_switch+0x167/0x7b0 [ 22.531839][ T8] ? __kasan_check_read+0x11/0x20 [ 22.536785][ T8] ? read_word_at_a_time+0x12/0x20 [ 22.541734][ T8] ? strscpy+0x9c/0x260 [ 22.545723][ T8] process_one_work+0x73d/0xcb0 [ 22.550413][ T8] worker_thread+0xa60/0x1260 [ 22.555091][ T8] kthread+0x26d/0x300 [ 22.558916][ T8] ? worker_clr_flags+0x1a0/0x1a0 [ 22.563776][ T8] ? kthread_blkcg+0xd0/0xd0 [ 22.568204][ T8] ret_from_fork+0x1f/0x30 [ 22.572459][ T8] [ 22.575329][ T8] Modules linked in: [ 22.579315][ T8] ---[ end trace 0000000000000000 ]--- [ 22.584580][ T8] RIP: 0010:ext4_writepages+0x3fab/0x3fd0 [ 22.590775][ T8] Code: 98 80 ff 31 ff 89 de e8 93 98 80 ff 45 84 f6 75 2a e8 f9 95 80 ff 49 bc 00 00 00 00 00 fc ff df e9 6e f6 ff ff e8 e5 95 80 ff <0f> 0b e8 de 95 80 ff e8 45 78 0b ff e9 46 c3 ff ff e8 cf 95 80 ff [ 22.610347][ T8] RSP: 0018:ffffc90000087000 EFLAGS: 00010293 [ 22.616222][ T8] RAX: ffffffff81f50f6b RBX: 0000008000000000 RCX: ffff88810039d100 [ 22.624085][ T8] RDX: 0000000000000000 RSI: 0000008000000000 RDI: 0000000000000000 [ 22.631872][ T8] RBP: ffffc90000087410 R08: ffffffff81f4d6cb R09: ffffed10217d267a [ 22.639720][ T8] R10: 0000000000000000 R11: dffffc0000000001 R12: ffff8881254d6000 [ 22.647466][ T8] R13: ffff88810be93508 R14: 000000c410000000 R15: ffffc900000872e0 [ 22.655316][ T8] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 22.664077][ T8] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.670499][ T8] CR2: 000055bb8f0a70d8 CR3: 000000010eb6e000 CR4: 00000000003506b0 [ 22.678332][ T8] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.686089][ T8] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.693924][ T8] Kernel panic - not syncing: Fatal exception [ 22.700073][ T8] Kernel Offset: disabled [ 22.704192][ T8] Rebooting in 86400 seconds..