loop0: detected capacity change from 0 to 128 Oops: divide error: 0000 [#1] SMP KASAN PTI CPU: 1 UID: 0 PID: 9566 Comm: syz.0.296 Not tainted 6.15.0-syzkaller-11220-gf5164456c604 #0 PREEMPT(full) Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 05/07/2025 RIP: 0010:qnx6_mmi_fill_super+0x22d/0x880 fs/qnx6/super_mmi.c:68 Code: c5 28 48 89 e8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 a9 05 00 00 45 85 e4 8b 45 00 89 c6 0f ce 0f 44 f0 b8 00 10 00 00 31 d2 f6 89 c5 4c 89 f7 e8 c7 48 72 01 41 89 c6 31 ff 89 c6 e8 db 41 RSP: 0018:ffffc9000d457b58 EFLAGS: 00010246 RAX: 0000000000001000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff888071899028 R08: ffff888073578d9f R09: 1ffff1100e6af1b3 R10: dffffc0000000000 R11: ffffed100e6af1b4 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff88805d76c000 R15: 0000000000000000 FS: 00007f2584cb26c0(0000) GS:ffff888125d91000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000563ff638e0f8 CR3: 0000000029990000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: qnx6_fill_super+0x16f/0x1280 fs/qnx6/inode.c:318 get_tree_bdev_flags+0x40e/0x4d0 fs/super.c:1679 vfs_get_tree+0x92/0x2b0 fs/super.c:1802 do_new_mount+0x24a/0xa40 fs/namespace.c:3856 do_mount fs/namespace.c:4193 [inline] __do_sys_mount fs/namespace.c:4404 [inline] __se_sys_mount+0x317/0x410 fs/namespace.c:4381 do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline] do_syscall_64+0xfa/0x3b0 arch/x86/entry/syscall_64.c:94 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f2583f7feba Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 de 1a 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f2584cb1e68 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007f2584cb1ef0 RCX: 00007f2583f7feba RDX: 0000000020009e00 RSI: 0000000020000080 RDI: 00007f2584cb1eb0 RBP: 0000000020009e00 R08: 00007f2584cb1ef0 R09: 000000000020c800 R10: 000000000020c800 R11: 0000000000000246 R12: 0000000020000080 R13: 00007f2584cb1eb0 R14: 0000000000009e0d R15: 0000000020000040 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:qnx6_mmi_fill_super+0x22d/0x880 fs/qnx6/super_mmi.c:68 Code: c5 28 48 89 e8 48 c1 e8 03 42 0f b6 04 28 84 c0 0f 85 a9 05 00 00 45 85 e4 8b 45 00 89 c6 0f ce 0f 44 f0 b8 00 10 00 00 31 d2 f6 89 c5 4c 89 f7 e8 c7 48 72 01 41 89 c6 31 ff 89 c6 e8 db 41 RSP: 0018:ffffc9000d457b58 EFLAGS: 00010246 RAX: 0000000000001000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 RBP: ffff888071899028 R08: ffff888073578d9f R09: 1ffff1100e6af1b3 R10: dffffc0000000000 R11: ffffed100e6af1b4 R12: 0000000000000000 R13: dffffc0000000000 R14: ffff88805d76c000 R15: 0000000000000000 FS: 00007f2584cb26c0(0000) GS:ffff888125c91000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f257ac36000 CR3: 0000000029990000 CR4: 00000000003526f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess), 1 bytes skipped: 0: 28 48 89 sub %cl,-0x77(%rax) 3: e8 48 c1 e8 03 call 0x3e8c150 8: 42 0f b6 04 28 movzbl (%rax,%r13,1),%eax d: 84 c0 test %al,%al f: 0f 85 a9 05 00 00 jne 0x5be 15: 45 85 e4 test %r12d,%r12d 18: 8b 45 00 mov 0x0(%rbp),%eax 1b: 89 c6 mov %eax,%esi 1d: 0f ce bswap %esi 1f: 0f 44 f0 cmove %eax,%esi 22: b8 00 10 00 00 mov $0x1000,%eax 27: 31 d2 xor %edx,%edx * 29: f7 f6 div %esi <-- trapping instruction 2b: 89 c5 mov %eax,%ebp 2d: 4c 89 f7 mov %r14,%rdi 30: e8 c7 48 72 01 call 0x17248fc 35: 41 89 c6 mov %eax,%r14d 38: 31 ff xor %edi,%edi 3a: 89 c6 mov %eax,%esi 3c: e8 .byte 0xe8 3d: db .byte 0xdb 3e: 41 rex.B