./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor2312920167 <...> Warning: Permanently added '10.128.0.110' (ED25519) to the list of known hosts. execve("./syz-executor2312920167", ["./syz-executor2312920167"], 0x7ffee46de330 /* 10 vars */) = 0 brk(NULL) = 0x555555dea000 brk(0x555555dead00) = 0x555555dead00 arch_prctl(ARCH_SET_FS, 0x555555dea380) = 0 set_tid_address(0x555555dea650) = 5046 set_robust_list(0x555555dea660, 24) = 0 rseq(0x555555deaca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor2312920167", 4096) = 28 getrandom("\x4e\xfa\x89\xd6\xea\xf9\x5e\xee", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x555555dead00 brk(0x555555e0bd00) = 0x555555e0bd00 brk(0x555555e0c000) = 0x555555e0c000 mprotect(0x7f28c801b000, 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 mmap(0x20000000, 11755520, PROT_WRITE|PROT_EXEC|PROT_SEM|PROT_GROWSUP|0xb635773f04ebbee0, MAP_SHARED|MAP_FIXED|MAP_ANONYMOUS|MAP_POPULATE, -1, 0) = 0x20000000 openat(AT_FDCWD, "/proc/self/clear_refs", O_RDWR) = 3 writev(3, 0x20000140, 1) = 1 [ 87.726930][ T5046] ------------[ cut here ]------------ [ 87.732474][ T5046] DEBUG_RWSEMS_WARN_ON(tmp < 0): count = 0xffffffffffffff00, magic = 0xffff888029c88130, owner = 0x1, curr 0xffff88801d1c5940, list empty [ 87.746666][ T5046] WARNING: CPU: 0 PID: 5046 at kernel/locking/rwsem.c:1348 __up_read+0x330/0x750 [ 87.755886][ T5046] Modules linked in: [ 87.759780][ T5046] CPU: 0 PID: 5046 Comm: syz-executor231 Not tainted 6.5.0-rc5-next-20230809-syzkaller #0 [ 87.769728][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 87.780034][ T5046] RIP: 0010:__up_read+0x330/0x750 [ 87.785133][ T5046] Code: 80 3c 02 00 0f 85 e2 03 00 00 48 8b 13 4d 89 f1 55 4d 89 e0 4c 89 f9 48 c7 c6 e0 9c 6c 8a 48 c7 c7 40 9b 6c 8a e8 d0 d6 e6 ff <0f> 0b 58 e9 12 ff ff ff be 08 00 00 00 4c 89 e7 e8 9b e2 75 00 4c [ 87.804813][ T5046] RSP: 0000:ffffc90003a1faf0 EFLAGS: 00010286 [ 87.810895][ T5046] RAX: 0000000000000000 RBX: ffff888029c88130 RCX: 0000000000000000 [ 87.818950][ T5046] RDX: ffff88801d1c5940 RSI: ffffffff814e00c6 RDI: 0000000000000001 [ 87.826976][ T5046] RBP: ffffffff8a6c9a80 R08: 0000000000000001 R09: 0000000000000000 [ 87.835416][ T5046] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 [ 87.843405][ T5046] R13: 1ffff92000743f62 R14: ffff88801d1c5940 R15: ffff888029c88130 [ 87.851419][ T5046] FS: 0000555555dea380(0000) GS:ffff8880b9800000(0000) knlGS:0000000000000000 [ 87.860395][ T5046] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 87.867016][ T5046] CR2: 0000000020001248 CR3: 000000007904e000 CR4: 00000000003506f0 [ 87.875031][ T5046] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 87.883003][ T5046] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 87.891011][ T5046] Call Trace: [ 87.894301][ T5046] [ 87.897278][ T5046] ? show_regs+0x8f/0xa0 [ 87.901556][ T5046] ? __warn+0xe6/0x380 [ 87.905672][ T5046] ? __up_read+0x330/0x750 [ 87.910119][ T5046] ? report_bug+0x3bc/0x580 [ 87.914639][ T5046] ? handle_bug+0x3c/0x70 [ 87.919002][ T5046] ? exc_invalid_op+0x17/0x40 [ 87.923701][ T5046] ? asm_exc_invalid_op+0x1a/0x20 [ 87.928792][ T5046] ? __warn_printk+0x1a6/0x350 [ 87.933640][ T5046] ? __up_read+0x330/0x750 [ 87.938107][ T5046] ? file_update_time+0x159/0x270 [ 87.943174][ T5046] ? _down_write_nest_lock+0x200/0x200 [ 87.948688][ T5046] ? pgd_free+0x1b0/0x1b0 [ 87.953049][ T5046] ? folio_flags.constprop.0+0x56/0x150 [ 87.958666][ T5046] fault_dirty_shared_page+0x378/0x530 [ 87.964179][ T5046] do_wp_page+0xd72/0x3550 [ 87.968669][ T5046] ? lock_acquire+0x464/0x510 [ 87.973367][ T5046] ? lock_sync+0x190/0x190 [ 87.977850][ T5046] ? finish_mkwrite_fault+0x300/0x300 [ 87.983255][ T5046] ? do_raw_spin_lock+0x12e/0x2b0 [ 87.988323][ T5046] ? spin_bug+0x1d0/0x1d0 [ 87.992689][ T5046] __handle_mm_fault+0x180f/0x4180 [ 87.997879][ T5046] ? vm_iomap_memory+0x170/0x170 [ 88.002846][ T5046] ? mas_walk+0x423/0x7d0 [ 88.007231][ T5046] ? lock_mm_and_find_vma+0x780/0x780 [ 88.012633][ T5046] ? xfd_validate_state+0x5d/0x180 [ 88.017802][ T5046] handle_mm_fault+0x47a/0xa00 [ 88.022604][ T5046] do_user_addr_fault+0x2e7/0xfe0 [ 88.027677][ T5046] ? rcu_is_watching+0x12/0xb0 [ 88.032475][ T5046] exc_page_fault+0x5c/0xd0 [ 88.037033][ T5046] asm_exc_page_fault+0x26/0x30 [ 88.041938][ T5046] RIP: 0033:0x7f28c7f77726 [ 88.046391][ T5046] Code: 01 00 20 80 00 00 20 48 c7 04 25 48 01 00 20 01 00 00 00 48 8b 35 ba 79 0a 00 e8 75 07 03 00 31 d2 66 0f ef c0 b9 0a 00 00 00 <48> 89 14 25 48 12 00 20 ba a0 12 00 20 48 b8 73 65 63 75 72 69 74 [ 88.066053][ T5046] RSP: 002b:00007ffc9f9d1e90 EFLAGS: 00010246 [ 88.072123][ T5046] RAX: 0000000000000001 RBX: 000000000000002a RCX: 000000000000000a [ 88.080175][ T5046] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 [ 88.088219][ T5046] RBP: 00007f28c801b610 R08: 0000000000000000 R09: 65732f636f72702f [ 88.096239][ T5046] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 88.104227][ T5046] R13: 00007ffc9f9d20c8 R14: 0000000000000001 R15: 0000000000000001 [ 88.112422][ T5046] [ 88.115487][ T5046] Kernel panic - not syncing: kernel: panic_on_warn set ... [ 88.122763][ T5046] CPU: 0 PID: 5046 Comm: syz-executor231 Not tainted 6.5.0-rc5-next-20230809-syzkaller #0 [ 88.132668][ T5046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 [ 88.142729][ T5046] Call Trace: [ 88.146004][ T5046] [ 88.148936][ T5046] dump_stack_lvl+0xd9/0x1b0 [ 88.153576][ T5046] panic+0x6a6/0x750 [ 88.157479][ T5046] ? panic_smp_self_stop+0xa0/0xa0 [ 88.162608][ T5046] ? __up_read+0x330/0x750 [ 88.167034][ T5046] check_panic_on_warn+0xab/0xb0 [ 88.171988][ T5046] __warn+0xf2/0x380 [ 88.175897][ T5046] ? __up_read+0x330/0x750 [ 88.180325][ T5046] report_bug+0x3bc/0x580 [ 88.184670][ T5046] handle_bug+0x3c/0x70 [ 88.188828][ T5046] exc_invalid_op+0x17/0x40 [ 88.193334][ T5046] asm_exc_invalid_op+0x1a/0x20 [ 88.198199][ T5046] RIP: 0010:__up_read+0x330/0x750 [ 88.203227][ T5046] Code: 80 3c 02 00 0f 85 e2 03 00 00 48 8b 13 4d 89 f1 55 4d 89 e0 4c 89 f9 48 c7 c6 e0 9c 6c 8a 48 c7 c7 40 9b 6c 8a e8 d0 d6 e6 ff <0f> 0b 58 e9 12 ff ff ff be 08 00 00 00 4c 89 e7 e8 9b e2 75 00 4c [ 88.222840][ T5046] RSP: 0000:ffffc90003a1faf0 EFLAGS: 00010286 [ 88.228939][ T5046] RAX: 0000000000000000 RBX: ffff888029c88130 RCX: 0000000000000000 [ 88.236944][ T5046] RDX: ffff88801d1c5940 RSI: ffffffff814e00c6 RDI: 0000000000000001 [ 88.244953][ T5046] RBP: ffffffff8a6c9a80 R08: 0000000000000001 R09: 0000000000000000 [ 88.252938][ T5046] R10: 0000000000000000 R11: 0000000000000001 R12: 0000000000000001 [ 88.260925][ T5046] R13: 1ffff92000743f62 R14: ffff88801d1c5940 R15: ffff888029c88130 [ 88.268918][ T5046] ? __warn_printk+0x1a6/0x350 [ 88.273718][ T5046] ? file_update_time+0x159/0x270 [ 88.278783][ T5046] ? _down_write_nest_lock+0x200/0x200 [ 88.284260][ T5046] ? pgd_free+0x1b0/0x1b0 [ 88.288612][ T5046] ? folio_flags.constprop.0+0x56/0x150 [ 88.294214][ T5046] fault_dirty_shared_page+0x378/0x530 [ 88.299713][ T5046] do_wp_page+0xd72/0x3550 [ 88.304140][ T5046] ? lock_acquire+0x464/0x510 [ 88.308873][ T5046] ? lock_sync+0x190/0x190 [ 88.313331][ T5046] ? finish_mkwrite_fault+0x300/0x300 [ 88.318711][ T5046] ? do_raw_spin_lock+0x12e/0x2b0 [ 88.323772][ T5046] ? spin_bug+0x1d0/0x1d0 [ 88.328141][ T5046] __handle_mm_fault+0x180f/0x4180 [ 88.333266][ T5046] ? vm_iomap_memory+0x170/0x170 [ 88.338214][ T5046] ? mas_walk+0x423/0x7d0 [ 88.342568][ T5046] ? lock_mm_and_find_vma+0x780/0x780 [ 88.347954][ T5046] ? xfd_validate_state+0x5d/0x180 [ 88.353098][ T5046] handle_mm_fault+0x47a/0xa00 [ 88.357886][ T5046] do_user_addr_fault+0x2e7/0xfe0 [ 88.362924][ T5046] ? rcu_is_watching+0x12/0xb0 [ 88.367705][ T5046] exc_page_fault+0x5c/0xd0 [ 88.372232][ T5046] asm_exc_page_fault+0x26/0x30 [ 88.377121][ T5046] RIP: 0033:0x7f28c7f77726 [ 88.381552][ T5046] Code: 01 00 20 80 00 00 20 48 c7 04 25 48 01 00 20 01 00 00 00 48 8b 35 ba 79 0a 00 e8 75 07 03 00 31 d2 66 0f ef c0 b9 0a 00 00 00 <48> 89 14 25 48 12 00 20 ba a0 12 00 20 48 b8 73 65 63 75 72 69 74 [ 88.401184][ T5046] RSP: 002b:00007ffc9f9d1e90 EFLAGS: 00010246 [ 88.407258][ T5046] RAX: 0000000000000001 RBX: 000000000000002a RCX: 000000000000000a [ 88.415237][ T5046] RDX: 0000000000000000 RSI: 0000000020000140 RDI: 0000000000000003 [ 88.423214][ T5046] RBP: 00007f28c801b610 R08: 0000000000000000 R09: 65732f636f72702f [ 88.431191][ T5046] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000001 [ 88.439166][ T5046] R13: 00007ffc9f9d20c8 R14: 0000000000000001 R15: 0000000000000001 [ 88.447158][ T5046] [ 88.450510][ T5046] Kernel Offset: disabled [ 88.454837][ T5046] Rebooting in 86400 seconds..