github.com/google/syzkaller@v0.0.0-20240517125934-c0f1611a36d6/pkg/report/testdata/linux/guilty/55 (about) 1 FILE: fs/ntfs/super.c 2 3 loop4: detected capacity change from 0 to 264192 4 ================================== 5 WARNING: Nested lock was not taken 6 6.0.0-rc6-syzkaller-17742-gc194837ebb57 #0 Not tainted 7 ---------------------------------- 8 syz-executor253/3315 is trying to lock: 9 ffff0000c495a9d8 (&s->s_inode_list_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:349 [inline] 10 ffff0000c495a9d8 (&s->s_inode_list_lock){+.+.}-{2:2}, at: inode_sb_list_del fs/inode.c:503 [inline] 11 ffff0000c495a9d8 (&s->s_inode_list_lock){+.+.}-{2:2}, at: evict+0x90/0x334 fs/inode.c:654 12 13 but this task is not holding: 14 Unable to handle kernel paging request at virtual address 0000000100000017 15 Mem abort info: 16 ESR = 0x0000000096000005 17 EC = 0x25: DABT (current EL), IL = 32 bits 18 SET = 0, FnV = 0 19 EA = 0, S1PTW = 0 20 FSC = 0x05: level 1 translation fault 21 Data abort info: 22 ISV = 0, ISS = 0x00000005 23 CM = 0, WnR = 0 24 user pgtable: 4k pages, 48-bit VAs, pgdp=000000010a8da000 25 [0000000100000017] pgd=0800000107ed2003, p4d=0800000107ed2003, pud=0000000000000000 26 Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP 27 Modules linked in: 28 CPU: 0 PID: 3315 Comm: syz-executor253 Not tainted 6.0.0-rc6-syzkaller-17742-gc194837ebb57 #0 29 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 30 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) 31 pc : print_lock_nested_lock_not_held kernel/locking/lockdep.c:4885 [inline] 32 pc : __lock_acquire+0x7cc/0x30a4 kernel/locking/lockdep.c:5044 33 lr : print_lock_nested_lock_not_held kernel/locking/lockdep.c:4884 [inline] 34 lr : __lock_acquire+0x7c0/0x30a4 kernel/locking/lockdep.c:5044 35 sp : ffff80001289b8b0 36 x29: ffff80001289b990 x28: 0000000000000001 x27: ffff80000d30c000 37 x26: ffff0000c68d24b8 x25: ffff0000c68d24d8 x24: 0000000000000002 38 x23: ffff0000c68d24d0 x22: ffff80000d32a753 x21: ffff80000d32a712 39 x20: 0000000000040067 x19: ffff0000c68d1a80 x18: 0000000000000156 40 x17: 2b7463697665203a x16: 0000000000000002 x15: 0000000000000000 41 x14: 0000000000000000 x13: 205d353133335420 x12: 5b5d303434313530 42 x11: ff808000081c1630 x10: 0000000000000000 x9 : 30785d1575e13b00 43 x8 : 00000000ffffffff x7 : 205b5d3034343135 x6 : ffff800008195d30 44 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 45 x2 : 0000000000000000 x1 : 0000000100000001 x0 : ffff80000cb555a1 46 Call trace: 47 print_lock_nested_lock_not_held kernel/locking/lockdep.c:4885 [inline] 48 __lock_acquire+0x7cc/0x30a4 kernel/locking/lockdep.c:5044 49 lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5666 50 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] 51 _raw_spin_lock+0x54/0x6c kernel/locking/spinlock.c:154 52 spin_lock include/linux/spinlock.h:349 [inline] 53 inode_sb_list_del fs/inode.c:503 [inline] 54 evict+0x90/0x334 fs/inode.c:654 55 iput_final fs/inode.c:1748 [inline] 56 iput+0x2c4/0x324 fs/inode.c:1774 57 ntfs_fill_super+0x1254/0x14a4 fs/ntfs/super.c:188 58 get_tree_bdev+0x1e8/0x2a0 fs/super.c:1323 59 ntfs_fs_get_tree+0x28/0x38 fs/ntfs3/super.c:1358 60 vfs_get_tree+0x40/0x140 fs/super.c:1530 61 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 62 path_mount+0x358/0x914 fs/namespace.c:3370 63 do_mount fs/namespace.c:3383 [inline] 64 __do_sys_mount fs/namespace.c:3591 [inline] 65 __se_sys_mount fs/namespace.c:3568 [inline] 66 __arm64_sys_mount+0x2c4/0x3c4 fs/namespace.c:3568 67 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] 68 invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] 69 el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 70 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 71 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:636 72 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654 73 el0t_64_sync+0x18c/0x190 74 Code: 94f84769 f94002e8 d0024dc0 91168400 (f9400d01) 75 ---[ end trace 0000000000000000 ]--- 76 ---------------- 77 Code disassembly (best guess): 78 0: 94f84769 bl 0x3e11da4 79 4: f94002e8 ldr x8, [x23] 80 8: d0024dc0 adrp x0, 0x49ba000 81 c: 91168400 add x0, x0, #0x5a1 82 * 10: f9400d01 ldr x1, [x8, #24] <-- trapping instruction