Warning: Permanently added '10.128.1.173' (ED25519) to the list of known hosts. 2025/06/10 16:55:26 ignoring optional flag "sandboxArg"="0" 2025/06/10 16:55:26 ignoring optional flag "type"="gce" 2025/06/10 16:55:26 parsed 1 programs [ 52.984853][ T30] audit: type=1400 audit(1749574526.099:87): avc: denied { create } for pid=2118 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 53.005282][ T30] audit: type=1400 audit(1749574526.099:88): avc: denied { write } for pid=2118 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 53.025567][ T30] audit: type=1400 audit(1749574526.099:89): avc: denied { read } for pid=2118 comm="syz-executor" scontext=root:sysadm_r:sysadm_t tcontext=root:sysadm_r:sysadm_t tclass=netlink_generic_socket permissive=1 [ 53.065273][ T30] audit: type=1400 audit(1749574526.189:90): avc: denied { unlink } for pid=2118 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" 2025/06/10 16:55:26 executed programs: 0 [ 53.721215][ T2118] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k [ 54.915414][ T2539] loop0: detected capacity change from 0 to 64 [ 54.922067][ T30] audit: type=1400 audit(1749574528.039:91): avc: denied { mounton } for pid=2538 comm="syz-executor.0" path="/root/syzkaller-testdir399488813/syzkaller.vfNcRX/0/bus" dev="sda1" ino=2035 scontext=root:sysadm_r:sysadm_t tcontext=root:object_r:user_home_t tclass=dir permissive=1 [ 54.950655][ T30] audit: type=1400 audit(1749574528.069:92): avc: denied { mount } for pid=2538 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 2025/06/10 16:55:58 executed programs: 1 [ 85.195225][ T57] kworker/u8:4: attempt to access beyond end of device [ 85.195225][ T57] loop0: rw=1048577, sector=95, nr_sectors = 1 limit=64 [ 85.208932][ T57] Buffer I/O error on dev loop0, logical block 95, lost async page write [ 85.217335][ T57] kworker/u8:4: attempt to access beyond end of device [ 85.217335][ T57] loop0: rw=1048577, sector=96, nr_sectors = 1 limit=64 [ 85.230930][ T57] Buffer I/O error on dev loop0, logical block 96, lost async page write [ 85.239319][ T57] kworker/u8:4: attempt to access beyond end of device [ 85.239319][ T57] loop0: rw=1048577, sector=98, nr_sectors = 1 limit=64 [ 85.252911][ T57] Buffer I/O error on dev loop0, logical block 98, lost async page write [ 85.261387][ T57] kworker/u8:4: attempt to access beyond end of device [ 85.261387][ T57] loop0: rw=1048577, sector=100, nr_sectors = 1 limit=64 [ 85.275087][ T57] Buffer I/O error on dev loop0, logical block 100, lost async page write [ 85.283549][ T57] kworker/u8:4: attempt to access beyond end of device [ 85.283549][ T57] loop0: rw=1048577, sector=101, nr_sectors = 1 limit=64 [ 85.297255][ T57] Buffer I/O error on dev loop0, logical block 101, lost async page write [ 85.305739][ T57] kworker/u8:4: attempt to access beyond end of device [ 85.305739][ T57] loop0: rw=1048577, sector=102, nr_sectors = 1 limit=64 [ 85.319438][ T57] Buffer I/O error on dev loop0, logical block 102, lost async page write [ 85.328003][ T57] kworker/u8:4: attempt to access beyond end of device [ 85.328003][ T57] loop0: rw=1048577, sector=103, nr_sectors = 1 limit=64 [ 85.341688][ T57] Buffer I/O error on dev loop0, logical block 103, lost async page write [ 85.350169][ T57] kworker/u8:4: attempt to access beyond end of device [ 85.350169][ T57] loop0: rw=1048577, sector=104, nr_sectors = 1 limit=64 [ 85.363850][ T57] Buffer I/O error on dev loop0, logical block 104, lost async page write [ 85.372639][ T57] kworker/u8:4: attempt to access beyond end of device [ 85.372639][ T57] loop0: rw=1048577, sector=105, nr_sectors = 2048 limit=64 [ 85.387023][ T57] kworker/u8:4: attempt to access beyond end of device [ 85.387023][ T57] loop0: rw=1048577, sector=2153, nr_sectors = 2016 limit=64 2025/06/10 16:56:03 executed programs: 53 2025/06/10 16:56:08 executed programs: 145 2025/06/10 16:56:13 executed programs: 237 2025/06/10 16:56:18 executed programs: 329 2025/06/10 16:56:23 executed programs: 421 2025/06/10 16:56:28 executed programs: 513 2025/06/10 16:56:33 executed programs: 605 2025/06/10 16:56:38 executed programs: 697 2025/06/10 16:56:43 executed programs: 789 2025/06/10 16:56:48 executed programs: 881 2025/06/10 16:56:53 executed programs: 973 2025/06/10 16:56:58 executed programs: 1066 2025/06/10 16:57:03 executed programs: 1158 2025/06/10 16:57:08 executed programs: 1251 2025/06/10 16:57:13 executed programs: 1343 2025/06/10 16:57:18 executed programs: 1436 2025/06/10 16:57:23 executed programs: 1529 2025/06/10 16:57:28 executed programs: 1622 2025/06/10 16:57:33 executed programs: 1715 2025/06/10 16:57:38 executed programs: 1808 2025/06/10 16:57:43 executed programs: 1901 2025/06/10 16:57:48 executed programs: 1994 2025/06/10 16:57:53 executed programs: 2087 2025/06/10 16:57:58 executed programs: 2180 2025/06/10 16:58:03 executed programs: 2272 2025/06/10 16:58:08 executed programs: 2364 [ 216.714933][ T31] INFO: task syz-executor.0:2539 blocked for more than 143 seconds. [ 216.722956][ T31] Not tainted 6.16.0-rc1-syzkaller #0 [ 216.728857][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 216.737509][ T31] task:syz-executor.0 state:D stack:13376 pid:2539 tgid:2538 ppid:2123 task_flags:0x400140 flags:0x00004006 [ 216.749409][ T31] Call Trace: [ 216.752664][ T31] [ 216.755597][ T31] __schedule+0x593/0xd20 [ 216.759905][ T31] schedule+0x25/0x110 [ 216.763938][ T31] schedule_preempt_disabled+0x13/0x30 [ 216.769384][ T31] __mutex_lock+0x617/0xb10 [ 216.773860][ T31] ? hfs_find_init+0x7e/0xa0 [ 216.778453][ T31] ? hfs_find_init+0x7e/0xa0 [ 216.783012][ T31] hfs_find_init+0x7e/0xa0 [ 216.787419][ T31] hfs_ext_read_extent+0x5c/0x1a0 [ 216.792423][ T31] hfs_extend_file+0x17f/0x280 [ 216.797176][ T31] hfs_bmap_reserve+0x74/0x90 [ 216.801824][ T31] __hfs_ext_write_extent+0x8d/0xb0 [ 216.807023][ T31] hfs_ext_read_extent+0x160/0x1a0 [ 216.812112][ T31] hfs_extend_file+0x17f/0x280 [ 216.816880][ T31] hfs_get_block+0x65/0x1d0 [ 216.821444][ T31] __block_write_begin_int+0x173/0x520 [ 216.826898][ T31] ? __pfx_hfs_get_block+0x10/0x10 [ 216.831984][ T31] ? __pfx_hfs_get_block+0x10/0x10 [ 216.837096][ T31] block_write_begin+0x4d/0xb0 [ 216.841829][ T31] hfs_write_begin+0x28/0x70 [ 216.846407][ T31] ? __pfx_hfs_get_block+0x10/0x10 [ 216.851493][ T31] generic_perform_write+0x166/0x300 [ 216.856774][ T31] generic_file_write_iter+0x5d/0xe0 [ 216.862028][ T31] vfs_write+0x2ae/0x4b0 [ 216.866267][ T31] ksys_write+0x6e/0xf0 [ 216.870390][ T31] do_syscall_64+0x6d/0x2d0 [ 216.874877][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 216.880737][ T31] RIP: 0033:0x7f1797a7cda9 [ 216.885132][ T31] RSP: 002b:00007f17987bf0c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 216.893509][ T31] RAX: ffffffffffffffda RBX: 00007f1797babf80 RCX: 00007f1797a7cda9 [ 216.901477][ T31] RDX: 000000000208e24b RSI: 0000000020000180 RDI: 0000000000000004 [ 216.909438][ T31] RBP: 00007f1797ac947a R08: 0000000000000000 R09: 0000000000000000 [ 216.917402][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 216.925359][ T31] R13: 0000000000000006 R14: 00007f1797babf80 R15: 00007ffc8fb37618 [ 216.933312][ T31] [ 216.936395][ T31] [ 216.936395][ T31] Showing all locks held in the system: [ 216.944088][ T31] 1 lock held by khungtaskd/31: [ 216.948943][ T31] #0: ffffffff835e4780 (rcu_read_lock){....}-{1:2}, at: debug_show_all_locks+0x36/0x120 [ 216.958785][ T31] 4 locks held by kworker/u8:4/57: [ 216.963868][ T31] #0: ffff888101e84548 ((wq_completion)writeback){....}-{0:0}, at: process_one_work+0x42f/0x660 [ 216.974379][ T31] #1: ffffc900001d3e38 ((work_completion)(&(&wb->dwork)->work)){....}-{0:0}, at: process_one_work+0x1ed/0x660 [ 216.986088][ T31] #2: ffff88810a2f20e0 (&type->s_umount_key#62){....}-{3:3}, at: super_trylock_shared+0x15/0x50 [ 216.996587][ T31] #3: ffff88810a2f60b0 (&tree->tree_lock/1){....}-{3:3}, at: hfs_find_init+0x7e/0xa0 [ 217.006118][ T31] 4 locks held by kworker/u8:6/332: [ 217.011285][ T31] 2 locks held by getty/1579: [ 217.015939][ T31] #0: ffff8881036fe8a0 (&tty->ldisc_sem){....}-{0:0}, at: tty_ldisc_ref_wait+0x23/0x60 [ 217.025640][ T31] #1: ffffc90002ea32f0 (&ldata->atomic_read_lock){....}-{3:3}, at: n_tty_read+0x17a/0x660 [ 217.035615][ T31] 7 locks held by syz-executor.0/2539: [ 217.041038][ T31] #0: ffff888103b28278 (&f->f_pos_lock){....}-{3:3}, at: fdget_pos+0x89/0x180 [ 217.049976][ T31] #1: ffff88810a2f2418 (sb_writers#13){....}-{0:0}, at: ksys_write+0x6e/0xf0 [ 217.058809][ T31] #2: ffff888104ba0ea0 (&sb->s_type->i_mutex_key#19){....}-{3:3}, at: generic_file_write_iter+0x29/0xe0 [ 217.070000][ T31] #3: ffff888104ba0cf8 (&HFS_I(inode)->extents_lock){....}-{3:3}, at: hfs_extend_file+0x3f/0x280 [ 217.080575][ T31] #4: ffff88810a2f60b0 (&tree->tree_lock/1){....}-{3:3}, at: hfs_find_init+0x7e/0xa0 [ 217.090116][ T31] #5: ffff88810af300f8 (&HFS_I(tree->inode)->extents_lock){....}-{3:3}, at: hfs_extend_file+0x3f/0x280 [ 217.101220][ T31] #6: ffff88810a2f60b0 (&tree->tree_lock/1){....}-{3:3}, at: hfs_find_init+0x7e/0xa0 [ 217.110775][ T31] 3 locks held by syz-executor.0/7733: [ 217.116227][ T31] [ 217.118525][ T31] ============================================= [ 217.118525][ T31] [ 217.126933][ T31] NMI backtrace for cpu 1 [ 217.126942][ T31] CPU: 1 UID: 0 PID: 31 Comm: khungtaskd Not tainted 6.16.0-rc1-syzkaller #0 PREEMPT(undef) [ 217.126945][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 217.126947][ T31] Call Trace: [ 217.126949][ T31] [ 217.126950][ T31] dump_stack_lvl+0x5a/0x90 [ 217.126957][ T31] nmi_cpu_backtrace+0xd4/0x110 [ 217.126963][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 217.126968][ T31] nmi_trigger_cpumask_backtrace+0xd5/0x140 [ 217.126972][ T31] watchdog+0x652/0x690 [ 217.126975][ T31] ? watchdog+0x1f5/0x690 [ 217.126978][ T31] ? __pfx_watchdog+0x10/0x10 [ 217.126979][ T31] kthread+0x104/0x200 [ 217.126984][ T31] ? __pfx_kthread+0x10/0x10 [ 217.126987][ T31] ret_from_fork+0x172/0x190 [ 217.126992][ T31] ? __pfx_kthread+0x10/0x10 [ 217.126994][ T31] ret_from_fork_asm+0x1a/0x30 [ 217.127002][ T31] [ 217.127003][ T31] Sending NMI from CPU 1 to CPUs 0: [ 217.222359][ C0] NMI backtrace for cpu 0 [ 217.222364][ C0] CPU: 0 UID: 0 PID: 7735 Comm: syz-executor.0 Not tainted 6.16.0-rc1-syzkaller #0 PREEMPT(undef) [ 217.222367][ C0] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 [ 217.222369][ C0] RIP: 0010:preempt_count_sub+0x32/0x60 [ 217.222377][ C0] Code: ad 03 85 c0 75 1b 65 8b 05 9b d1 0d 03 89 c2 81 e2 ff ff ff 7f 39 fa 7c 16 81 ff fe 00 00 00 76 1a f7 df 65 01 3d 7e d1 0d 03 cc cc cc cc 90 e8 93 96 6f 00 90 c3 cc cc cc cc 84 c0 75 e2 90 [ 217.222379][ C0] RSP: 0018:ffffc90002a37b70 EFLAGS: 00000297 [ 217.222381][ C0] RAX: 0000000080000001 RBX: ffff88816f3d2bd0 RCX: ffffc90002a37b3c [ 217.222383][ C0] RDX: 0000000000000001 RSI: ffffffff8324c677 RDI: 00000000ffffffff [ 217.222385][ C0] RBP: 0000000000000000 R08: 00000000fffff995 R09: c7ffffffffffffff [ 217.222386][ C0] R10: 0000000000000004 R11: 0000000000000669 R12: ffff88816f3d26d8 [ 217.222388][ C0] R13: 0000000000000000 R14: ffff88816f3d2bd0 R15: 0000000000000000 [ 217.222391][ C0] FS: 00007ff0b6d626c0(0000) GS:ffff8882b3864000(0000) knlGS:0000000000000000 [ 217.222393][ C0] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 217.222394][ C0] CR2: 0000000020600000 CR3: 000000016f402000 CR4: 00000000003506f0 [ 217.222396][ C0] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 217.222397][ C0] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 217.222398][ C0] Call Trace: [ 217.222400][ C0] [ 217.222401][ C0] _raw_write_unlock+0x28/0x50 [ 217.222408][ C0] ext4_es_insert_delayed_extent+0x208/0x3c0 [ 217.222413][ C0] ext4_da_get_block_prep+0x4aa/0x570 [ 217.222418][ C0] ext4_block_write_begin+0x18a/0x460 [ 217.222421][ C0] ? __pfx_ext4_da_get_block_prep+0x10/0x10 [ 217.222424][ C0] ext4_da_write_begin+0x1a2/0x350 [ 217.222427][ C0] generic_perform_write+0x166/0x300 [ 217.222432][ C0] ext4_buffered_write_iter+0x63/0x110 [ 217.222435][ C0] vfs_write+0x2ae/0x4b0 [ 217.222440][ C0] ksys_write+0x6e/0xf0 [ 217.222443][ C0] do_syscall_64+0x6d/0x2d0 [ 217.222446][ C0] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 217.222449][ C0] RIP: 0033:0x7ff0b607cda9 [ 217.222452][ C0] 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 [ 217.222453][ C0] RSP: 002b:00007ff0b6d620c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 217.222456][ C0] RAX: ffffffffffffffda RBX: 00007ff0b61abf80 RCX: 00007ff0b607cda9 [ 217.222457][ C0] RDX: 000000000208e24b RSI: 0000000020000180 RDI: 0000000000000003 [ 217.222458][ C0] RBP: 00007ff0b60c947a R08: 0000000000000000 R09: 0000000000000000 [ 217.222459][ C0] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 217.222461][ C0] R13: 0000000000000010 R14: 00007ff0b61abf80 R15: 00007ffd89353648 [ 217.222464][ C0] [ 217.223355][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 217.508556][ T31] Kernel Offset: disabled [ 217.512842][ T31] Rebooting in 86400 seconds..