./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor433594380 <...> [ 97.177381][ T25] cfg80211: failed to load regulatory.db Warning: Permanently added '10.128.10.46' (ED25519) to the list of known hosts. execve("./syz-executor433594380", ["./syz-executor433594380"], 0x7ffe73fdf180 /* 10 vars */) = 0 brk(NULL) = 0x5555558f7000 brk(0x5555558f7d00) = 0x5555558f7d00 arch_prctl(ARCH_SET_FS, 0x5555558f7380) = 0 set_tid_address(0x5555558f7650) = 5832 set_robust_list(0x5555558f7660, 24) = 0 rseq(0x5555558f7ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor433594380", 4096) = 27 getrandom("\x16\x9b\xdc\xc6\xe3\xdd\x23\x52", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x5555558f7d00 brk(0x555555918d00) = 0x555555918d00 brk(0x555555919000) = 0x555555919000 mprotect(0x7fc9068ad000, 16384, PROT_READ) = 0 mmap(0x1ffffffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffffffff000 mmap(0x200000000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200000000000 mmap(0x200001000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x200001000000 write(1, "executing program\n", 18executing program ) = 18 memfd_create("syzkaller", 0) = 3 mmap(NULL, 138412032, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fc8fe200000 write(3, "\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00"..., 262144) = 262144 munmap(0x7fc8fe200000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file2", 0777) = 0 [ 97.768394][ T5832] loop0: detected capacity change from 0 to 512 [ 97.832908][ T5832] EXT4-fs (loop0): revision level too high, forcing read-only mode [ 97.842366][ T5832] EXT4-fs (loop0): orphan cleanup on readonly fs [ 97.850392][ T5832] EXT4-fs warning (device loop0): ext4_enable_quotas:7145: Failed to enable quota tracking (type=1, err=-22, ino=4). Please run e2fsck to fix. [ 97.867538][ T5832] EXT4-fs (loop0): Cannot turn on quotas: error -22 [ 97.874992][ T5832] ------------[ cut here ]------------ [ 97.880556][ T5832] bad length passed for symlink [ [ 97.880556][ T5832] ó] (got 9000, expected 3) [ 97.880893][ T5832] WARNING: CPU: 1 PID: 5832 at ./include/linux/fs.h:803 inode_set_cached_link+0xd0/0x110 [ 97.900387][ T5832] Modules linked in: [ 97.904420][ T5832] CPU: 1 UID: 0 PID: 5832 Comm: syz-executor433 Not tainted 6.14.0-rc1-next-20250206-syzkaller #0 [ 97.915073][ T5832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 97.925263][ T5832] RIP: 0010:inode_set_cached_link+0xd0/0x110 [ 97.931291][ T5832] Code: 41 5f 5d c3 cc cc cc cc e8 ed 1b 44 ff c6 05 b5 51 8a 0d 01 90 48 c7 c7 20 dc 1d 8c 4c 89 f6 44 89 fa 89 e9 e8 d1 c7 04 ff 90 <0f> 0b 90 90 e9 6a ff ff ff 89 f9 80 e1 07 80 c1 03 38 c1 7c a1 e8 [ 97.951104][ T5832] RSP: 0018:ffffc90003967658 EFLAGS: 00010246 [ 97.957253][ T5832] RAX: b92553c73f221b00 RBX: ffff88807b3a02b0 RCX: ffff88802ef89e00 [ 97.965319][ T5832] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 97.973325][ T5832] RBP: 0000000000000003 R08: ffffffff81803292 R09: fffffbfff1cfa5b8 [ 97.981553][ T5832] R10: dffffc0000000000 R11: fffffbfff1cfa5b8 R12: ffff88807b3a02b0 [ 97.989641][ T5832] R13: dffffc0000000000 R14: ffff88807b3a0000 R15: 0000000000002328 [ 97.997672][ T5832] FS: 00005555558f7380(0000) GS:ffff8880b8700000(0000) knlGS:0000000000000000 [ 98.006708][ T5832] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 98.013337][ T5832] CR2: 00007fff832fc000 CR3: 0000000028d14000 CR4: 00000000003526f0 [ 98.021383][ T5832] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 98.029418][ T5832] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 98.037478][ T5832] Call Trace: [ 98.040843][ T5832] [ 98.043799][ T5832] ? __warn+0x165/0x4d0 [ 98.048043][ T5832] ? inode_set_cached_link+0xd0/0x110 [ 98.053468][ T5832] ? report_bug+0x2b3/0x500 [ 98.058086][ T5832] ? inode_set_cached_link+0xd0/0x110 [ 98.063517][ T5832] ? handle_bug+0x60/0x90 [ 98.067926][ T5832] ? exc_invalid_op+0x1a/0x50 [ 98.072636][ T5832] ? asm_exc_invalid_op+0x1a/0x20 [ 98.077764][ T5832] ? __warn_printk+0x292/0x360 [ 98.082583][ T5832] ? inode_set_cached_link+0xd0/0x110 [ 98.088051][ T5832] ? inode_set_cached_link+0xcf/0x110 [ 98.093466][ T5832] __ext4_iget+0x2ea4/0x3f30 [ 98.098274][ T5832] ? __pfx___ext4_iget+0x10/0x10 [ 98.103264][ T5832] ? ext4_inode_bitmap_csum_verify+0xa0/0x240 [ 98.109570][ T5832] ? _raw_spin_unlock+0x28/0x50 [ 98.114455][ T5832] ? ext4_read_inode_bitmap+0xfc2/0x1180 [ 98.120174][ T5832] ext4_orphan_get+0x1bb/0x5f0 [ 98.124991][ T5832] ext4_orphan_cleanup+0xa19/0x13d0 [ 98.130309][ T5832] ? __pfx_ext4_orphan_cleanup+0x10/0x10 [ 98.136016][ T5832] ? ext4_register_li_request+0x617/0x970 [ 98.141750][ T5832] ? errseq_check_and_advance+0x64/0x120 [ 98.147466][ T5832] ext4_fill_super+0x5dd5/0x6760 [ 98.152463][ T5832] ? snprintf+0xda/0x120 [ 98.156809][ T5832] ? __pfx_ext4_fill_super+0x10/0x10 [ 98.162141][ T5832] ? set_blocksize+0x1fc/0x360 [ 98.166992][ T5832] ? sb_set_blocksize+0x98/0xf0 [ 98.171866][ T5832] ? setup_bdev_super+0x4e6/0x5d0 [ 98.176953][ T5832] get_tree_bdev_flags+0x48c/0x5c0 [ 98.182120][ T5832] ? __pfx_ext4_fill_super+0x10/0x10 [ 98.187484][ T5832] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 98.193161][ T5832] ? apparmor_capable+0x13b/0x1b0 [ 98.198293][ T5832] vfs_get_tree+0x90/0x2b0 [ 98.202785][ T5832] do_new_mount+0x2be/0xb40 [ 98.207435][ T5832] ? __pfx_do_new_mount+0x10/0x10 [ 98.212513][ T5832] __se_sys_mount+0x2d6/0x3c0 [ 98.217276][ T5832] ? __pfx___se_sys_mount+0x10/0x10 [ 98.222519][ T5832] ? do_syscall_64+0x100/0x230 [ 98.227381][ T5832] ? __x64_sys_mount+0x20/0xc0 [ 98.232173][ T5832] do_syscall_64+0xf3/0x230 [ 98.236733][ T5832] ? clear_bhb_loop+0x35/0x90 [ 98.241453][ T5832] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 98.247422][ T5832] RIP: 0033:0x7fc90683b93a [ 98.251870][ T5832] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 98.271563][ T5832] RSP: 002b:00007fff832fba58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 98.280066][ T5832] RAX: ffffffffffffffda RBX: 00007fff832fba70 RCX: 00007fc90683b93a [ 98.288213][ T5832] RDX: 0000200000000080 RSI: 0000200000000000 RDI: 00007fff832fba70 [ 98.296439][ T5832] RBP: 0000200000000000 R08: 00007fff832fbab0 R09: 00000000000004f5 [ 98.304453][ T5832] R10: 000000000200801f R11: 0000000000000202 R12: 0000200000000080 [ 98.312538][ T5832] R13: 0000000000000004 R14: 0000000000000003 R15: 00007fff832fbab0 [ 98.320598][ T5832] [ 98.323630][ T5832] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 98.330928][ T5832] CPU: 1 UID: 0 PID: 5832 Comm: syz-executor433 Not tainted 6.14.0-rc1-next-20250206-syzkaller #0 [ 98.341529][ T5832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 12/27/2024 [ 98.351594][ T5832] Call Trace: [ 98.354873][ T5832] [ 98.357806][ T5832] dump_stack_lvl+0x241/0x360 [ 98.362501][ T5832] ? __pfx_dump_stack_lvl+0x10/0x10 [ 98.367698][ T5832] ? __pfx__printk+0x10/0x10 [ 98.372302][ T5832] ? vscnprintf+0x5d/0x90 [ 98.376664][ T5832] panic+0x349/0x880 [ 98.380586][ T5832] ? __warn+0x174/0x4d0 [ 98.384762][ T5832] ? __pfx_panic+0x10/0x10 [ 98.389229][ T5832] __warn+0x344/0x4d0 [ 98.393213][ T5832] ? inode_set_cached_link+0xd0/0x110 [ 98.398607][ T5832] report_bug+0x2b3/0x500 [ 98.402942][ T5832] ? inode_set_cached_link+0xd0/0x110 [ 98.408333][ T5832] handle_bug+0x60/0x90 [ 98.412503][ T5832] exc_invalid_op+0x1a/0x50 [ 98.417021][ T5832] asm_exc_invalid_op+0x1a/0x20 [ 98.421886][ T5832] RIP: 0010:inode_set_cached_link+0xd0/0x110 [ 98.427879][ T5832] Code: 41 5f 5d c3 cc cc cc cc e8 ed 1b 44 ff c6 05 b5 51 8a 0d 01 90 48 c7 c7 20 dc 1d 8c 4c 89 f6 44 89 fa 89 e9 e8 d1 c7 04 ff 90 <0f> 0b 90 90 e9 6a ff ff ff 89 f9 80 e1 07 80 c1 03 38 c1 7c a1 e8 [ 98.447487][ T5832] RSP: 0018:ffffc90003967658 EFLAGS: 00010246 [ 98.453563][ T5832] RAX: b92553c73f221b00 RBX: ffff88807b3a02b0 RCX: ffff88802ef89e00 [ 98.461624][ T5832] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 98.469599][ T5832] RBP: 0000000000000003 R08: ffffffff81803292 R09: fffffbfff1cfa5b8 [ 98.477573][ T5832] R10: dffffc0000000000 R11: fffffbfff1cfa5b8 R12: ffff88807b3a02b0 [ 98.485548][ T5832] R13: dffffc0000000000 R14: ffff88807b3a0000 R15: 0000000000002328 [ 98.493552][ T5832] ? __warn_printk+0x292/0x360 [ 98.498378][ T5832] ? inode_set_cached_link+0xcf/0x110 [ 98.503771][ T5832] __ext4_iget+0x2ea4/0x3f30 [ 98.508404][ T5832] ? __pfx___ext4_iget+0x10/0x10 [ 98.513446][ T5832] ? ext4_inode_bitmap_csum_verify+0xa0/0x240 [ 98.519537][ T5832] ? _raw_spin_unlock+0x28/0x50 [ 98.524396][ T5832] ? ext4_read_inode_bitmap+0xfc2/0x1180 [ 98.530056][ T5832] ext4_orphan_get+0x1bb/0x5f0 [ 98.534844][ T5832] ext4_orphan_cleanup+0xa19/0x13d0 [ 98.540072][ T5832] ? __pfx_ext4_orphan_cleanup+0x10/0x10 [ 98.545722][ T5832] ? ext4_register_li_request+0x617/0x970 [ 98.551453][ T5832] ? errseq_check_and_advance+0x64/0x120 [ 98.557121][ T5832] ext4_fill_super+0x5dd5/0x6760 [ 98.562108][ T5832] ? snprintf+0xda/0x120 [ 98.566378][ T5832] ? __pfx_ext4_fill_super+0x10/0x10 [ 98.571685][ T5832] ? set_blocksize+0x1fc/0x360 [ 98.576464][ T5832] ? sb_set_blocksize+0x98/0xf0 [ 98.581322][ T5832] ? setup_bdev_super+0x4e6/0x5d0 [ 98.586365][ T5832] get_tree_bdev_flags+0x48c/0x5c0 [ 98.591505][ T5832] ? __pfx_ext4_fill_super+0x10/0x10 [ 98.596801][ T5832] ? __pfx_get_tree_bdev_flags+0x10/0x10 [ 98.602538][ T5832] ? apparmor_capable+0x13b/0x1b0 [ 98.607580][ T5832] vfs_get_tree+0x90/0x2b0 [ 98.612014][ T5832] do_new_mount+0x2be/0xb40 [ 98.616543][ T5832] ? __pfx_do_new_mount+0x10/0x10 [ 98.621605][ T5832] __se_sys_mount+0x2d6/0x3c0 [ 98.626315][ T5832] ? __pfx___se_sys_mount+0x10/0x10 [ 98.631532][ T5832] ? do_syscall_64+0x100/0x230 [ 98.636319][ T5832] ? __x64_sys_mount+0x20/0xc0 [ 98.641100][ T5832] do_syscall_64+0xf3/0x230 [ 98.645624][ T5832] ? clear_bhb_loop+0x35/0x90 [ 98.650318][ T5832] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 98.656224][ T5832] RIP: 0033:0x7fc90683b93a [ 98.660706][ T5832] Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 5e 04 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b8 ff ff ff f7 d8 64 89 01 48 [ 98.680319][ T5832] RSP: 002b:00007fff832fba58 EFLAGS: 00000202 ORIG_RAX: 00000000000000a5 [ 98.688751][ T5832] RAX: ffffffffffffffda RBX: 00007fff832fba70 RCX: 00007fc90683b93a [ 98.696732][ T5832] RDX: 0000200000000080 RSI: 0000200000000000 RDI: 00007fff832fba70 [ 98.704795][ T5832] RBP: 0000200000000000 R08: 00007fff832fbab0 R09: 00000000000004f5 [ 98.712778][ T5832] R10: 000000000200801f R11: 0000000000000202 R12: 0000200000000080 [ 98.720840][ T5832] R13: 0000000000000004 R14: 0000000000000003 R15: 00007fff832fbab0 [ 98.728889][ T5832] [ 98.732277][ T5832] Kernel Offset: disabled [ 98.736625][ T5832] Rebooting in 86400 seconds..