Warning: Permanently added '10.128.0.7' (ED25519) to the list of known hosts.
2026/01/08 22:37:42 ignoring optional flag "type"="gce"
2026/01/08 22:37:42 parsed 1 programs
[ 53.549408][ T30] kauditd_printk_skb: 15 callbacks suppressed
[ 53.549412][ T30] audit: type=1400 audit(1767911862.163:86): avc: denied { unlink } for pid=2135 comm="syz-executor" name="swap-file" dev="sda1" ino=2027 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:unlabeled_t tclass=file permissive=1 trawcon="root:object_r:swapfile_t"
2026/01/08 22:37:42 executed programs: 0
[ 54.228815][ T2135] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k
[ 55.464669][ T2557] loop0: detected capacity change from 0 to 64
[ 55.471981][ T30] audit: type=1400 audit(1767911864.083:87): avc: denied { mounton } for pid=2556 comm="syz-executor.0" path="/root/syzkaller-testdir1454737818/syzkaller.SAvz1k/0/bus" dev="sda1" ino=2036 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1
[ 55.498722][ T30] audit: type=1400 audit(1767911864.083:88): avc: denied { mount } for pid=2556 comm="syz-executor.0" name="/" dev="loop0" ino=2 scontext=root:sysadm_r:sysadm_t tcontext=system_u:object_r:dosfs_t tclass=filesystem permissive=1
2026/01/08 22:38:14 executed programs: 1
[ 85.679218][ T650] kworker/u8:9: attempt to access beyond end of device
[ 85.679218][ T650] loop0: rw=9437185, sector=95, nr_sectors = 1 limit=64
[ 85.692905][ T650] Buffer I/O error on dev loop0, logical block 95, lost async page write
[ 85.701515][ T650] kworker/u8:9: attempt to access beyond end of device
[ 85.701515][ T650] loop0: rw=9437185, sector=96, nr_sectors = 1 limit=64
[ 85.715318][ T650] Buffer I/O error on dev loop0, logical block 96, lost async page write
[ 85.723768][ T650] kworker/u8:9: attempt to access beyond end of device
[ 85.723768][ T650] loop0: rw=9437185, sector=98, nr_sectors = 1 limit=64
[ 85.737399][ T650] Buffer I/O error on dev loop0, logical block 98, lost async page write
[ 85.745940][ T650] kworker/u8:9: attempt to access beyond end of device
[ 85.745940][ T650] loop0: rw=9437185, sector=100, nr_sectors = 1 limit=64
[ 85.759640][ T650] Buffer I/O error on dev loop0, logical block 100, lost async page write
[ 85.768107][ T650] kworker/u8:9: attempt to access beyond end of device
[ 85.768107][ T650] loop0: rw=9437185, sector=101, nr_sectors = 1 limit=64
[ 85.781821][ T650] Buffer I/O error on dev loop0, logical block 101, lost async page write
[ 85.790416][ T650] kworker/u8:9: attempt to access beyond end of device
[ 85.790416][ T650] loop0: rw=9437185, sector=102, nr_sectors = 1 limit=64
[ 85.804109][ T650] Buffer I/O error on dev loop0, logical block 102, lost async page write
[ 85.812588][ T650] kworker/u8:9: attempt to access beyond end of device
[ 85.812588][ T650] loop0: rw=9437185, sector=103, nr_sectors = 1 limit=64
[ 85.826432][ T650] Buffer I/O error on dev loop0, logical block 103, lost async page write
[ 85.834982][ T650] kworker/u8:9: attempt to access beyond end of device
[ 85.834982][ T650] loop0: rw=9437185, sector=104, nr_sectors = 1 limit=64
[ 85.848683][ T650] Buffer I/O error on dev loop0, logical block 104, lost async page write
[ 85.857594][ T650] kworker/u8:9: attempt to access beyond end of device
[ 85.857594][ T650] loop0: rw=1048577, sector=105, nr_sectors = 2048 limit=64
[ 85.872164][ T650] kworker/u8:9: attempt to access beyond end of device
[ 85.872164][ T650] loop0: rw=1048577, sector=2153, nr_sectors = 2016 limit=64
[ 86.485451][ T30] audit: type=1400 audit(1767911895.093:89): avc: denied { mounton } for pid=2559 comm="syz-executor.0" 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
2026/01/08 22:38:19 executed programs: 53
2026/01/08 22:38:24 executed programs: 146
2026/01/08 22:38:29 executed programs: 240
2026/01/08 22:38:34 executed programs: 333
2026/01/08 22:38:39 executed programs: 426
2026/01/08 22:38:44 executed programs: 519
2026/01/08 22:38:49 executed programs: 612
2026/01/08 22:38:54 executed programs: 705
2026/01/08 22:38:59 executed programs: 797
2026/01/08 22:39:04 executed programs: 890
2026/01/08 22:39:09 executed programs: 983
2026/01/08 22:39:14 executed programs: 1076
2026/01/08 22:39:19 executed programs: 1169
2026/01/08 22:39:24 executed programs: 1263
2026/01/08 22:39:29 executed programs: 1356
2026/01/08 22:39:34 executed programs: 1449
2026/01/08 22:39:39 executed programs: 1542
2026/01/08 22:39:44 executed programs: 1635
2026/01/08 22:39:49 executed programs: 1728
2026/01/08 22:39:54 executed programs: 1821
2026/01/08 22:39:59 executed programs: 1914
2026/01/08 22:40:04 executed programs: 2008
2026/01/08 22:40:09 executed programs: 2101
2026/01/08 22:40:14 executed programs: 2194
2026/01/08 22:40:19 executed programs: 2287
2026/01/08 22:40:24 executed programs: 2381
[ 217.439040][ T31] INFO: task syz-executor.0:2557 blocked for more than 143 seconds.
[ 217.447073][ T31] Not tainted syzkaller #0
[ 217.452019][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 217.460683][ T31] task:syz-executor.0 state:D stack:13248 pid:2557 tgid:2556 ppid:2141 task_flags:0x400140 flags:0x00080002
[ 217.472610][ T31] Call Trace:
[ 217.475869][ T31]
[ 217.478795][ T31] __schedule+0x568/0xfa0
[ 217.483129][ T31] schedule+0x25/0x110
[ 217.487191][ T31] schedule_preempt_disabled+0x14/0x90
[ 217.492674][ T31] __mutex_lock+0x66d/0xd10
[ 217.497238][ T31] ? __kmalloc_noprof+0xb7/0x7c0
[ 217.502180][ T31] ? hfs_find_init+0xd1/0x110
[ 217.506831][ T31] ? hfs_find_init+0xd1/0x110
[ 217.511528][ T31] hfs_find_init+0xd1/0x110
[ 217.516100][ T31] hfs_ext_read_extent+0x5c/0x1a0
[ 217.521220][ T31] hfs_extend_file+0x20c/0x3c0
[ 217.525980][ T31] hfs_bmap_reserve+0x74/0x90
[ 217.530773][ T31] __hfs_ext_write_extent+0x8d/0xb0
[ 217.535948][ T31] hfs_ext_read_extent+0x160/0x1a0
[ 217.541110][ T31] hfs_extend_file+0x20c/0x3c0
[ 217.545858][ T31] hfs_get_block+0x65/0x1d0
[ 217.550428][ T31] __block_write_begin_int+0x173/0x530
[ 217.555998][ T31] ? __pfx_hfs_get_block+0x10/0x10
[ 217.561103][ T31] ? __pfx_hfs_get_block+0x10/0x10
[ 217.566204][ T31] block_write_begin+0x50/0xb0
[ 217.570966][ T31] hfs_write_begin+0x28/0x70
[ 217.575535][ T31] ? __pfx_hfs_get_block+0x10/0x10
[ 217.580639][ T31] generic_perform_write+0x158/0x2f0
[ 217.585909][ T31] generic_file_write_iter+0x5d/0xe0
[ 217.591194][ T31] vfs_write+0x2ad/0x4b0
[ 217.595419][ T31] ksys_write+0x6e/0xf0
[ 217.599569][ T31] do_syscall_64+0x6e/0x370
[ 217.604052][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 217.610008][ T31] RIP: 0033:0x7f841527cda9
[ 217.614410][ T31] RSP: 002b:00007f841603a0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 217.622828][ T31] RAX: ffffffffffffffda RBX: 00007f84153abf80 RCX: 00007f841527cda9
[ 217.630790][ T31] RDX: 000000000208e24b RSI: 0000000020000180 RDI: 0000000000000004
[ 217.638742][ T31] RBP: 00007f84152c947a R08: 0000000000000000 R09: 0000000000000000
[ 217.646720][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 217.654689][ T31] R13: 0000000000000006 R14: 00007f84153abf80 R15: 00007ffe260d16f8
[ 217.662668][ T31]
[ 217.665836][ T31]
[ 217.665836][ T31] Showing all locks held in the system:
[ 217.673578][ T31] 1 lock held by khungtaskd/31:
[ 217.678402][ T31] #0: ffffffff837e6180 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x36/0x120
[ 217.688315][ T31] 4 locks held by kworker/u8:9/650:
[ 217.693543][ T31] #0: ffff8881016ca948 ((wq_completion)writeback){....}-{0:0}, at: process_one_work+0x42f/0x660
[ 217.704039][ T31] #1: ffffc90001863e38 ((work_completion)(&(&wb->dwork)->work)){....}-{0:0}, at: process_one_work+0x1ed/0x660
[ 217.715928][ T31] #2: ffff8881007f50e0 (&type->s_umount_key#62){....}-{3:3}, at: super_trylock_shared+0x15/0x50
[ 217.726450][ T31] #3: ffff8881007f30b0 (&tree->tree_lock/1){....}-{3:3}, at: hfs_find_init+0xd1/0x110
[ 217.736092][ T31] 2 locks held by getty/1595:
[ 217.740772][ T31] #0: ffff8881033710a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x23/0x60
[ 217.750488][ T31] #1: ffffc900001fb2f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x17a/0x670
[ 217.760478][ T31] 7 locks held by syz-executor.0/2557:
[ 217.765907][ T31] #0: ffff8881033a75f8 (&f->f_pos_lock){....}-{3:3}, at: fdget_pos+0x89/0x180
[ 217.774846][ T31] #1: ffff8881007f5410 (sb_writers#13){....}-{0:0}, at: ksys_write+0x6e/0xf0
[ 217.783781][ T31] #2: ffff88816f2194a0 (&sb->s_type->i_mutex_key#20){....}-{3:3}, at: generic_file_write_iter+0x29/0xe0
[ 217.794998][ T31] #3: ffff88816f2192f8 (&HFS_I(inode)->extents_lock){....}-{3:3}, at: hfs_extend_file+0x41/0x3c0
[ 217.805621][ T31] #4: ffff8881007f30b0 (&tree->tree_lock/1){....}-{3:3}, at: hfs_find_init+0xd1/0x110
[ 217.815260][ T31] #5: ffff88816f2180f8 (&HFS_I(tree->inode)->extents_lock){....}-{3:3}, at: hfs_extend_file+0x41/0x3c0
[ 217.826381][ T31] #6: ffff8881007f30b0 (&tree->tree_lock/1){....}-{3:3}, at: hfs_find_init+0xd1/0x110
[ 217.836024][ T31] 3 locks held by syz-executor.0/7794:
[ 217.841473][ T31]
[ 217.843774][ T31] =============================================
[ 217.843774][ T31]
[ 217.852194][ T31] NMI backtrace for cpu 0
[ 217.852200][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(none)
[ 217.852203][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 217.852204][ T31] Call Trace:
[ 217.852207][ T31]
[ 217.852208][ T31] dump_stack_lvl+0x5a/0x90
[ 217.852215][ T31] nmi_cpu_backtrace+0xd4/0x110
[ 217.852221][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10
[ 217.852226][ T31] nmi_trigger_cpumask_backtrace+0xd5/0x140
[ 217.852230][ T31] sys_info+0x92/0xb0
[ 217.852233][ T31] watchdog+0x514/0x620
[ 217.852237][ T31] ? watchdog+0x248/0x620
[ 217.852239][ T31] ? __pfx_watchdog+0x10/0x10
[ 217.852241][ T31] kthread+0x107/0x200
[ 217.852245][ T31] ? __pfx_kthread+0x10/0x10
[ 217.852247][ T31] ret_from_fork+0x214/0x230
[ 217.852252][ T31] ? __pfx_kthread+0x10/0x10
[ 217.852254][ T31] ret_from_fork_asm+0x1a/0x30
[ 217.852263][ T31]
[ 217.852264][ T31] Sending NMI from CPU 0 to CPUs 1:
[ 217.950900][ C1] NMI backtrace for cpu 1
[ 217.950906][ C1] CPU: 1 UID: 0 PID: 7796 Comm: syz-executor.0 Not tainted syzkaller #0 PREEMPT(none)
[ 217.950909][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/25/2025
[ 217.950911][ C1] RIP: 0010:__lock_acquire.constprop.0+0x192/0x5b0
[ 217.950920][ C1] Code: 15 09 f0 41 89 44 24 20 8b 44 24 58 41 89 44 24 24 85 c9 0f 85 6d 01 00 00 48 63 d2 48 0f a3 15 e4 bd 33 03 0f 83 a3 03 00 00 <48> 8b 83 38 0a 00 00 44 89 f1 0b 0d ae 14 cf 03 48 89 04 24 75 0a
[ 217.950922][ C1] RSP: 0018:ffffc90002a138b0 EFLAGS: 00000047
[ 217.950925][ C1] RAX: 0000000000000000 RBX: ffff888103b54380 RCX: 0000000000000000
[ 217.950926][ C1] RDX: 0000000000000007 RSI: 0000000000000000 RDI: ffffffff837e6180
[ 217.950928][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: ffff888103b54e18
[ 217.950929][ C1] R10: 0000000000000001 R11: ffffea0005fe4d00 R12: ffff888103b54e40
[ 217.950931][ C1] R13: 0000000000000000 R14: 0000000000000003 R15: 0000000000020000
[ 217.950935][ C1] FS: 00007f659cdff6c0(0000) GS:ffff8882b3710000(0000) knlGS:0000000000000000
[ 217.950936][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 217.950938][ C1] CR2: 0000000020800000 CR3: 0000000104724000 CR4: 00000000003506f0
[ 217.950939][ C1] Call Trace:
[ 217.950941][ C1]
[ 217.950942][ C1] lock_acquire+0xa8/0x180
[ 217.950946][ C1] ? unwind_next_frame+0x48/0x960
[ 217.950951][ C1] ? __filemap_get_folio_mpol+0x231/0x430
[ 217.950956][ C1] unwind_next_frame+0x5c/0x960
[ 217.950958][ C1] ? unwind_next_frame+0x48/0x960
[ 217.950960][ C1] ? __pfx_stack_trace_consume_entry+0x10/0x10
[ 217.950962][ C1] arch_stack_walk+0x94/0xf0
[ 217.950967][ C1] ? __filemap_get_folio_mpol+0x231/0x430
[ 217.950970][ C1] stack_trace_save+0x48/0x70
[ 217.950972][ C1] save_stack+0x84/0xb0
[ 217.950976][ C1] ? post_alloc_hook+0xb8/0xd0
[ 217.950979][ C1] ? get_page_from_freelist+0x35b/0x1a00
[ 217.950981][ C1] ? __alloc_frozen_pages_noprof+0x10d/0x260
[ 217.950984][ C1] ? alloc_pages_mpol+0x76/0x1b0
[ 217.950987][ C1] ? folio_alloc_noprof+0x10/0xb0
[ 217.950989][ C1] ? __filemap_get_folio_mpol+0x231/0x430
[ 217.950993][ C1] __set_page_owner+0x27/0x170
[ 217.950996][ C1] post_alloc_hook+0xb8/0xd0
[ 217.950998][ C1] get_page_from_freelist+0x35b/0x1a00
[ 217.951001][ C1] ? find_held_lock+0x2b/0x80
[ 217.951004][ C1] ? prepare_alloc_pages+0x14f/0x190
[ 217.951008][ C1] __alloc_frozen_pages_noprof+0x10d/0x260
[ 217.951011][ C1] alloc_pages_mpol+0x76/0x1b0
[ 217.951014][ C1] folio_alloc_noprof+0x10/0xb0
[ 217.951016][ C1] __filemap_get_folio_mpol+0x231/0x430
[ 217.951019][ C1] ext4_da_write_begin+0x15e/0x370
[ 217.951025][ C1] generic_perform_write+0x158/0x2f0
[ 217.951029][ C1] ext4_buffered_write_iter+0x63/0x110
[ 217.951032][ C1] vfs_write+0x2ad/0x4b0
[ 217.951036][ C1] ksys_write+0x6e/0xf0
[ 217.951038][ C1] do_syscall_64+0x6e/0x370
[ 217.951042][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f
[ 217.951045][ C1] RIP: 0033:0x7f659d27cda9
[ 217.951047][ C1] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48
[ 217.951049][ C1] RSP: 002b:00007f659cdff0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 217.951051][ C1] RAX: ffffffffffffffda RBX: 00007f659d3abf80 RCX: 00007f659d27cda9
[ 217.951052][ C1] RDX: 000000000208e24b RSI: 0000000020000180 RDI: 0000000000000003
[ 217.951054][ C1] RBP: 00007f659d2c947a R08: 0000000000000000 R09: 0000000000000000
[ 217.951055][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000
[ 217.951056][ C1] R13: 0000000000000010 R14: 00007f659d3abf80 R15: 00007ffc15ca9a78
[ 217.951059][ C1]
[ 218.315255][ T31] Kernel panic - not syncing: hung_task: blocked tasks
[ 218.322341][ T31] Kernel Offset: disabled
[ 218.326632][ T31] Rebooting in 86400 seconds..