./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor407900109 <...> Warning: Permanently added '10.128.1.61' (ECDSA) to the list of known hosts. execve("./syz-executor407900109", ["./syz-executor407900109"], 0x7ffeeea7eb80 /* 10 vars */) = 0 brk(NULL) = 0x5555557e4000 brk(0x5555557e4c40) = 0x5555557e4c40 arch_prctl(ARCH_SET_FS, 0x5555557e4300) = 0 uname({sysname="Linux", nodename="syzkaller", ...}) = 0 readlink("/proc/self/exe", "/root/syz-executor407900109", 4096) = 27 brk(0x555555805c40) = 0x555555805c40 brk(0x555555806000) = 0x555555806000 mprotect(0x7f3f56d2b000, 16384, PROT_READ) = 0 mmap(0x1ffff000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x1ffff000 mmap(0x20000000, 16777216, PROT_READ|PROT_WRITE|PROT_EXEC, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x20000000 mmap(0x21000000, 4096, PROT_NONE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0x21000000 clone(child_stack=NULL, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD./strace-static-x86_64: Process 4999 attached , child_tidptr=0x5555557e45d0) = 4999 [pid 4999] prctl(PR_SET_PDEATHSIG, SIGKILL) = 0 [pid 4999] setpgid(0, 0) = 0 [pid 4999] openat(AT_FDCWD, "/proc/self/oom_score_adj", O_WRONLY|O_CLOEXEC) = 3 [pid 4999] write(3, "1000", 4) = 4 [pid 4999] close(3) = 0 [pid 4999] mkdirat(AT_FDCWD, "./file0", 000) = 0 [pid 4999] pipe2([3, 4], 0) = 0 [pid 4999] write(4, "\x15\x00\x00\x00\x65\xff\xff\x09\x7b\x00\x00\x08\x00\x39\x50\x32\x30\x30\x30\x2e\x4c", 21) = 21 [pid 4999] dup(4) = 5 [pid 4999] write(5, "\x18\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00", 24) = 24 [pid 4999] write(5, "\x4c\x01\x00\x00\x05\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\x18\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"..., 311) = 311 [ 44.048061][ T4999] ------------[ cut here ]------------ [ 44.053649][ T4999] WARNING: CPU: 1 PID: 4999 at mm/page_alloc.c:4744 __alloc_pages+0x3a2/0x4a0 [ 44.062574][ T4999] Modules linked in: [ 44.066517][ T4999] CPU: 1 PID: 4999 Comm: syz-executor407 Not tainted 6.4.0-rc4-syzkaller-00099-g1874a42a7d74 #0 [ 44.077093][ T4999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 44.087365][ T4999] RIP: 0010:__alloc_pages+0x3a2/0x4a0 [ 44.092772][ T4999] Code: ff ff 00 0f 84 33 fe ff ff 80 ce 01 e9 2b fe ff ff 83 fe 0a 0f 86 3e fd ff ff 80 3d 02 c8 98 0c 00 75 09 c6 05 f9 c7 98 0c 01 <0f> 0b 45 31 f6 e9 8d fe ff ff e8 4f 78 a1 ff 84 c0 0f 85 80 fe ff [ 44.112539][ T4999] RSP: 0018:ffffc90003a0fac0 EFLAGS: 00010246 [ 44.118695][ T4999] RAX: 0000000000000000 RBX: 1ffff92000741f59 RCX: 0000000000000000 [ 44.126687][ T4999] RDX: 0000000000000000 RSI: 0000000000000014 RDI: 0000000000000000 [ 44.134730][ T4999] RBP: 0000000000040d40 R08: 0000000000000007 R09: 0000000000000000 [ 44.142748][ T4999] R10: 0000000100000000 R11: ffffffff81d6e785 R12: 0000000000000014 [ 44.150840][ T4999] R13: 0000000000000000 R14: 0000000000040d40 R15: 0000000000000000 [ 44.159107][ T4999] FS: 00005555557e4300(0000) GS:ffff8880b9900000(0000) knlGS:0000000000000000 [ 44.168123][ T4999] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 44.174716][ T4999] CR2: 0000000020001000 CR3: 0000000078462000 CR4: 0000000000350ee0 [ 44.182747][ T4999] Call Trace: [ 44.186058][ T4999] [ 44.189055][ T4999] ? __warn+0xe6/0x390 [ 44.193160][ T4999] ? __alloc_pages+0x3a2/0x4a0 [ 44.198029][ T4999] ? report_bug+0x2da/0x500 [ 44.202598][ T4999] ? handle_bug+0x3c/0x70 [ 44.207750][ T4999] ? exc_invalid_op+0x18/0x50 [ 44.212449][ T4999] ? asm_exc_invalid_op+0x1a/0x20 [ 44.217535][ T4999] ? kasan_set_track+0x25/0x30 [ 44.222320][ T4999] ? __alloc_pages+0x3a2/0x4a0 [ 44.227135][ T4999] ? __alloc_pages_slowpath.constprop.0+0x2170/0x2170 [ 44.233917][ T4999] ? p9_client_clunk+0xc0/0x140 [ 44.238804][ T4999] ? v9fs_fid_lookup+0xf40/0xf40 [ 44.243751][ T4999] ? mark_held_locks+0x9f/0xe0 [ 44.248552][ T4999] __kmalloc_large_node+0x94/0x1d0 [ 44.253684][ T4999] ? v9fs_fid_get_acl+0x78/0x120 [ 44.258674][ T4999] __kmalloc+0x104/0x190 [ 44.262937][ T4999] v9fs_fid_get_acl+0x78/0x120 [ 44.267842][ T4999] v9fs_get_acl+0x3b2/0x5f0 [ 44.272361][ T4999] v9fs_mount+0x63a/0xc90 [ 44.276682][ T4999] ? v9fs_statfs+0x4d0/0x4d0 [ 44.281308][ T4999] ? apparmor_capable+0x1dc/0x460 [ 44.286370][ T4999] ? v9fs_statfs+0x4d0/0x4d0 [ 44.291006][ T4999] legacy_get_tree+0x109/0x220 [ 44.295788][ T4999] vfs_get_tree+0x8d/0x350 [ 44.300274][ T4999] path_mount+0x134b/0x1e40 [ 44.304800][ T4999] ? kmem_cache_free+0xe9/0x480 [ 44.310056][ T4999] ? finish_automount+0x9b0/0x9b0 [ 44.315102][ T4999] ? putname+0x102/0x140 [ 44.319388][ T4999] __x64_sys_mount+0x283/0x300 [ 44.324169][ T4999] ? copy_mnt_ns+0xb30/0xb30 [ 44.328884][ T4999] ? lockdep_hardirqs_on+0x7d/0x100 [ 44.334472][ T4999] ? _raw_spin_unlock_irq+0x2e/0x50 [ 44.339782][ T4999] ? ptrace_notify+0xfe/0x140 [ 44.344688][ T4999] do_syscall_64+0x39/0xb0 [ 44.349174][ T4999] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.355097][ T4999] RIP: 0033:0x7f3f56cbe1a9 [ 44.359567][ T4999] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 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 c0 ff ff ff f7 d8 64 89 01 48 [ 44.379240][ T4999] RSP: 002b:00007fffcc87a498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 44.387705][ T4999] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3f56cbe1a9 [ 44.395702][ T4999] RDX: 0000000020000b80 RSI: 0000000020000040 RDI: 0000000000000000 [ 44.403811][ T4999] RBP: 0000000000000000 R08: 0000000020000140 R09: 00007fffcc87a638 [ 44.412741][ T4999] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3f56c817a0 [ 44.421040][ T4999] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 44.429390][ T4999] [ 44.432397][ T4999] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 44.439664][ T4999] CPU: 1 PID: 4999 Comm: syz-executor407 Not tainted 6.4.0-rc4-syzkaller-00099-g1874a42a7d74 #0 [ 44.450237][ T4999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/25/2023 [ 44.460306][ T4999] Call Trace: [ 44.463576][ T4999] [ 44.466499][ T4999] dump_stack_lvl+0xd9/0x150 [ 44.471087][ T4999] panic+0x686/0x730 [ 44.475002][ T4999] ? panic_smp_self_stop+0xa0/0xa0 [ 44.480102][ T4999] ? show_trace_log_lvl+0x284/0x390 [ 44.485297][ T4999] ? __alloc_pages+0x3a2/0x4a0 [ 44.490059][ T4999] check_panic_on_warn+0xb1/0xc0 [ 44.495030][ T4999] __warn+0xf2/0x390 [ 44.498928][ T4999] ? __alloc_pages+0x3a2/0x4a0 [ 44.503692][ T4999] report_bug+0x2da/0x500 [ 44.508023][ T4999] handle_bug+0x3c/0x70 [ 44.512165][ T4999] exc_invalid_op+0x18/0x50 [ 44.516653][ T4999] asm_exc_invalid_op+0x1a/0x20 [ 44.521501][ T4999] RIP: 0010:__alloc_pages+0x3a2/0x4a0 [ 44.526875][ T4999] Code: ff ff 00 0f 84 33 fe ff ff 80 ce 01 e9 2b fe ff ff 83 fe 0a 0f 86 3e fd ff ff 80 3d 02 c8 98 0c 00 75 09 c6 05 f9 c7 98 0c 01 <0f> 0b 45 31 f6 e9 8d fe ff ff e8 4f 78 a1 ff 84 c0 0f 85 80 fe ff [ 44.546488][ T4999] RSP: 0018:ffffc90003a0fac0 EFLAGS: 00010246 [ 44.552643][ T4999] RAX: 0000000000000000 RBX: 1ffff92000741f59 RCX: 0000000000000000 [ 44.560606][ T4999] RDX: 0000000000000000 RSI: 0000000000000014 RDI: 0000000000000000 [ 44.568567][ T4999] RBP: 0000000000040d40 R08: 0000000000000007 R09: 0000000000000000 [ 44.576564][ T4999] R10: 0000000100000000 R11: ffffffff81d6e785 R12: 0000000000000014 [ 44.584545][ T4999] R13: 0000000000000000 R14: 0000000000040d40 R15: 0000000000000000 [ 44.592514][ T4999] ? kasan_set_track+0x25/0x30 [ 44.597298][ T4999] ? __alloc_pages_slowpath.constprop.0+0x2170/0x2170 [ 44.604089][ T4999] ? p9_client_clunk+0xc0/0x140 [ 44.609045][ T4999] ? v9fs_fid_lookup+0xf40/0xf40 [ 44.613976][ T4999] ? mark_held_locks+0x9f/0xe0 [ 44.618741][ T4999] __kmalloc_large_node+0x94/0x1d0 [ 44.623976][ T4999] ? v9fs_fid_get_acl+0x78/0x120 [ 44.628930][ T4999] __kmalloc+0x104/0x190 [ 44.633192][ T4999] v9fs_fid_get_acl+0x78/0x120 [ 44.637959][ T4999] v9fs_get_acl+0x3b2/0x5f0 [ 44.642459][ T4999] v9fs_mount+0x63a/0xc90 [ 44.646803][ T4999] ? v9fs_statfs+0x4d0/0x4d0 [ 44.651397][ T4999] ? apparmor_capable+0x1dc/0x460 [ 44.656430][ T4999] ? v9fs_statfs+0x4d0/0x4d0 [ 44.661036][ T4999] legacy_get_tree+0x109/0x220 [ 44.665818][ T4999] vfs_get_tree+0x8d/0x350 [ 44.670230][ T4999] path_mount+0x134b/0x1e40 [ 44.674734][ T4999] ? kmem_cache_free+0xe9/0x480 [ 44.679586][ T4999] ? finish_automount+0x9b0/0x9b0 [ 44.684607][ T4999] ? putname+0x102/0x140 [ 44.688850][ T4999] __x64_sys_mount+0x283/0x300 [ 44.693616][ T4999] ? copy_mnt_ns+0xb30/0xb30 [ 44.698202][ T4999] ? lockdep_hardirqs_on+0x7d/0x100 [ 44.703403][ T4999] ? _raw_spin_unlock_irq+0x2e/0x50 [ 44.709839][ T4999] ? ptrace_notify+0xfe/0x140 [ 44.714690][ T4999] do_syscall_64+0x39/0xb0 [ 44.719109][ T4999] entry_SYSCALL_64_after_hwframe+0x63/0xcd [ 44.725057][ T4999] RIP: 0033:0x7f3f56cbe1a9 [ 44.729517][ T4999] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 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 c0 ff ff ff f7 d8 64 89 01 48 [ 44.749125][ T4999] RSP: 002b:00007fffcc87a498 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 44.757561][ T4999] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f3f56cbe1a9 [ 44.765530][ T4999] RDX: 0000000020000b80 RSI: 0000000020000040 RDI: 0000000000000000 [ 44.773498][ T4999] RBP: 0000000000000000 R08: 0000000020000140 R09: 00007fffcc87a638 [ 44.781563][ T4999] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f3f56c817a0 [ 44.789552][ T4999] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 44.797536][ T4999] [ 44.801205][ T4999] Kernel Offset: disabled [ 44.805617][ T4999] Rebooting in 86400 seconds..