./strace-static-x86_64 -e \!wait4,clock_nanosleep,nanosleep -s 100 -x -f ./syz-executor4067794365 <...> Warning: Permanently added '10.128.0.139' (ED25519) to the list of known hosts. execve("./syz-executor4067794365", ["./syz-executor4067794365"], 0x7ffd91af0100 /* 10 vars */) = 0 brk(NULL) = 0x55558e474000 brk(0x55558e474d00) = 0x55558e474d00 arch_prctl(ARCH_SET_FS, 0x55558e474380) = 0 set_tid_address(0x55558e474650) = 5828 set_robust_list(0x55558e474660, 24) = 0 rseq(0x55558e474ca0, 0x20, 0, 0x53053053) = 0 prlimit64(0, RLIMIT_STACK, NULL, {rlim_cur=8192*1024, rlim_max=RLIM64_INFINITY}) = 0 readlink("/proc/self/exe", "/root/syz-executor4067794365", 4096) = 28 getrandom("\xb1\x71\x0d\xf2\x58\x17\x4e\xf8", 8, GRND_NONBLOCK) = 8 brk(NULL) = 0x55558e474d00 brk(0x55558e495d00) = 0x55558e495d00 brk(0x55558e496000) = 0x55558e496000 mprotect(0x7f9274670000, 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 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) = 0x7f926c000000 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"..., 16777216) = 16777216 munmap(0x7f926c000000, 138412032) = 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_SET_FD, 3) = 0 close(3) = 0 close(4) = 0 mkdir("./file1", 0777) = 0 [ 61.312454][ T5828] loop0: detected capacity change from 0 to 32768 [ 61.351336][ T5828] BTRFS: device fsid a6a605fc-d5f1-4e66-8595-3726e2b761d6 devid 1 transid 8 /dev/loop0 (7:0) scanned by syz-executor406 (5828) [ 61.377797][ T5828] BTRFS info (device loop0): first mount of filesystem a6a605fc-d5f1-4e66-8595-3726e2b761d6 [ 61.388693][ T5828] BTRFS info (device loop0): using blake2b (blake2b-256-generic) checksum algorithm [ 61.398610][ T5828] BTRFS info (device loop0): using free-space-tree [ 61.488244][ T3459] BTRFS warning (device loop0): checksum verify failed on logical 5337088 mirror 1 wanted 0x324c5e2d0cac2dc8f61cbfdfc8cd69d9816061b1498b9e1bff7d10a59610160b found 0xf8bb6bdef03b64ff3b11a2a87ba7a2aeacfdb41cc49a87adad5cc1644d216b29 level 0 [ 61.512359][ T3459] BTRFS warning (device loop0): checksum verify failed on logical 5341184 mirror 1 wanted 0xc53d3c5bb04ba5dfc01f4c277f0b81815915cb99da5074f609a3f7f617cf284a found 0xd34891a64d32c06b063fbbf3d26e09cb4d5acf5ade8dc51c4cd532bb53f895d0 level 0 mount("/dev/loop0", "./file1", "btrfs", MS_RDONLY|MS_NODEV|MS_REC|MS_SILENT|MS_POSIXACL, "skip_balance,autodefrag,noacl,treelog,rescue=ibadroots,rescue=ibadroots,nodiscard,compress-force,acl"...) = 0 openat(AT_FDCWD, "./file1", O_RDONLY|O_DIRECTORY) = 3 chdir("./file1") = 0 [ 61.536992][ T3459] BTRFS warning (device loop0): checksum verify failed on logical 5287936 mirror 1 wanted 0x31987782e3a542b4b1826f4a60605b79838e23bf27075900db4b92202c72b2fd found 0xceda3bc49047826ec4468b88ec74a14d6cd3232f25b2c41331ed48993507590e level 0 [ 61.560984][ T53] BTRFS warning (device loop0): checksum verify failed on logical 5292032 mirror 1 wanted 0xcbbb23d5b53a3b4892a5068ee5011732ffcd94742b434497e3f11d7ca86a6d23 found 0x6ab87e71a537053373402d980abd70276b583e303a68e0dd0a46bb41cfc306c8 level 0 openat(AT_FDCWD, "/dev/loop0", O_RDWR) = 4 ioctl(4, LOOP_CLR_FD) = 0 close(4) = 0 openat(AT_FDCWD, ".", O_RDONLY) = 4 [ 61.636451][ T5828] Oops: general protection fault, probably for non-canonical address 0xdffffc0000000041: 0000 [#1] PREEMPT SMP KASAN PTI [ 61.649067][ T5828] KASAN: null-ptr-deref in range [0x0000000000000208-0x000000000000020f] [ 61.657506][ T5828] CPU: 0 UID: 0 PID: 5828 Comm: syz-executor406 Not tainted 6.12.0-rc5-syzkaller-00308-g3e5e6c9900c3 #0 [ 61.668630][ T5828] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 [ 61.678719][ T5828] RIP: 0010:btrfs_search_slot+0xc5/0x30d0 [ 61.684502][ T5828] Code: 08 43 c7 44 2c 10 04 f2 04 f3 e8 76 f9 e9 fd 48 89 5c 24 38 48 81 c3 08 02 00 00 48 89 d8 48 c1 e8 03 48 89 84 24 d0 00 00 00 <42> 80 3c 28 00 74 08 48 89 df e8 5c 94 50 fe 48 8b 03 48 89 84 24 [ 61.704128][ T5828] RSP: 0018:ffffc90003ce79e0 EFLAGS: 00010206 [ 61.710217][ T5828] RAX: 0000000000000041 RBX: 0000000000000208 RCX: ffff88805dfa0000 [ 61.718210][ T5828] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 61.726199][ T5828] RBP: ffffc90003ce7bb0 R08: 0000000000000000 R09: 0000000000000000 [ 61.734187][ T5828] R10: dffffc0000000000 R11: ffffed100f66e00e R12: 1ffff9200079cf58 [ 61.742169][ T5828] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88807f3ce840 [ 61.750128][ T5828] FS: 000055558e474380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 61.759041][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 61.765619][ T5828] CR2: 000055fc3137d620 CR3: 000000005d402000 CR4: 00000000003526f0 [ 61.773574][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 61.781528][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 61.789483][ T5828] Call Trace: [ 61.792747][ T5828] <TASK> [ 61.795663][ T5828] ? __die_body+0x5f/0xb0 [ 61.799983][ T5828] ? die_addr+0xb0/0xe0 [ 61.804118][ T5828] ? exc_general_protection+0x3dd/0x5d0 [ 61.809662][ T5828] ? asm_exc_general_protection+0x26/0x30 [ 61.815392][ T5828] ? btrfs_search_slot+0xc5/0x30d0 [ 61.820511][ T5828] ? __pfx_lock_release+0x10/0x10 [ 61.825550][ T5828] ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10 [ 61.831879][ T5828] ? __pfx_btrfs_search_slot+0x10/0x10 [ 61.837318][ T5828] ? btrfs_extent_root+0x2a1/0x3b0 [ 61.842413][ T5828] ? __pfx_btrfs_extent_root+0x10/0x10 [ 61.847854][ T5828] extent_from_logical+0x1c8/0x880 [ 61.852946][ T5828] ? __kasan_slab_alloc+0x66/0x80 [ 61.857958][ T5828] ? kmem_cache_alloc_noprof+0x135/0x2a0 [ 61.863573][ T5828] ? btrfs_ioctl_logical_to_ino+0xf3/0x2a0 [ 61.869386][ T5828] ? __pfx_extent_from_logical+0x10/0x10 [ 61.875000][ T5828] iterate_inodes_from_logical+0x13b/0x330 [ 61.880790][ T5828] ? __pfx_iterate_inodes_from_logical+0x10/0x10 [ 61.887107][ T5828] ? btrfs_ioctl_logical_to_ino+0xf3/0x2a0 [ 61.892895][ T5828] ? rcu_is_watching+0x15/0xb0 [ 61.897642][ T5828] ? trace_kmem_cache_alloc+0x1f/0xc0 [ 61.902993][ T5828] ? kmem_cache_alloc_noprof+0x185/0x2a0 [ 61.908606][ T5828] btrfs_ioctl_logical_to_ino+0x133/0x2a0 [ 61.914320][ T5828] ? __pfx_btrfs_ioctl+0x10/0x10 [ 61.919244][ T5828] __se_sys_ioctl+0xf9/0x170 [ 61.923822][ T5828] do_syscall_64+0xf3/0x230 [ 61.928309][ T5828] ? clear_bhb_loop+0x35/0x90 [ 61.932974][ T5828] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 61.938862][ T5828] RIP: 0033:0x7f92745f8839 [ 61.943276][ T5828] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 61 17 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 b8 ff ff ff f7 d8 64 89 01 48 [ 61.962877][ T5828] RSP: 002b:00007fff3b6029f8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 61.971303][ T5828] RAX: ffffffffffffffda RBX: 00007fff3b602bc8 RCX: 00007f92745f8839 [ 61.979299][ T5828] RDX: 0000000020000080 RSI: 00000000c0389424 RDI: 0000000000000004 [ 61.987295][ T5828] RBP: 00007f9274670610 R08: 0000000000000000 R09: 00007fff3b602bc8 [ 61.995270][ T5828] R10: 000000000000002e R11: 0000000000000246 R12: 0000000000000001 [ 62.003247][ T5828] R13: 00007fff3b602bb8 R14: 0000000000000001 R15: 0000000000000001 [ 62.011216][ T5828] </TASK> [ 62.014219][ T5828] Modules linked in: [ 62.018252][ T5828] ---[ end trace 0000000000000000 ]--- [ 62.025731][ T5828] RIP: 0010:btrfs_search_slot+0xc5/0x30d0 [ 62.031482][ T5828] Code: 08 43 c7 44 2c 10 04 f2 04 f3 e8 76 f9 e9 fd 48 89 5c 24 38 48 81 c3 08 02 00 00 48 89 d8 48 c1 e8 03 48 89 84 24 d0 00 00 00 <42> 80 3c 28 00 74 08 48 89 df e8 5c 94 50 fe 48 8b 03 48 89 84 24 [ 62.051181][ T5828] RSP: 0018:ffffc90003ce79e0 EFLAGS: 00010206 [ 62.057283][ T5828] RAX: 0000000000000041 RBX: 0000000000000208 RCX: ffff88805dfa0000 [ 62.065316][ T5828] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 62.073287][ T5828] RBP: ffffc90003ce7bb0 R08: 0000000000000000 R09: 0000000000000000 [ 62.081344][ T5828] R10: dffffc0000000000 R11: ffffed100f66e00e R12: 1ffff9200079cf58 [ 62.089365][ T5828] R13: dffffc0000000000 R14: 0000000000000000 R15: ffff88807f3ce840 [ 62.097374][ T5828] FS: 000055558e474380(0000) GS:ffff8880b8600000(0000) knlGS:0000000000000000 [ 62.106335][ T5828] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 62.112906][ T5828] CR2: 000055fc3137d620 CR3: 000000005d402000 CR4: 00000000003526f0 [ 62.120899][ T5828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 62.128981][ T5828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 62.137022][ T5828] Kernel panic - not syncing: Fatal exception [ 62.143355][ T5828] Kernel Offset: disabled [ 62.147682][ T5828] Rebooting in 86400 seconds..