loop0: detected capacity change from 0 to 64 BFS-fs: bfs_fill_super(): loop0 is unclean, continuing ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 1 PID: 7211 at kernel/locking/mutex.c:582 __mutex_lock_common+0x1660/0x21a0 kernel/locking/mutex.c:582 Modules linked in: CPU: 1 PID: 7211 Comm: syz-executor.0 Not tainted 6.7.0-rc8-syzkaller-00101-g0802e17d9aca #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __mutex_lock_common+0x1660/0x21a0 kernel/locking/mutex.c:582 lr : __mutex_lock_common+0x1660/0x21a0 kernel/locking/mutex.c:582 sp : ffff800097237320 x29: ffff8000972374b0 x28: dfff800000000000 x27: 1ffff000125470e8 x26: ffff800092a38000 x25: ffff700012e46e80 x24: 0000000000000000 x23: 0000000000000000 x22: ffff800080e5c7dc x21: 0000000000000000 x20: 0000000000000000 x19: ffff0000cc6e7028 x18: ffff800097236e60 x17: 0000000000000000 x16: ffff80008a830eb8 x15: 0000000000000001 x14: 1fffe0003682a63a x13: 0000000000000000 x12: 0000000000000000 x11: 0000000000000002 x10: 0000000000ff0100 x9 : 2c4a1e71aeb57800 x8 : 2c4a1e71aeb57800 x7 : 0000000000000001 x6 : 0000000000000001 x5 : ffff800097236c18 x4 : ffff80008e5d20c0 x3 : ffff8000805ab6bc x2 : 0000000000000001 x1 : 0000000100000000 x0 : 0000000000000000 Call trace: __mutex_lock_common+0x1660/0x21a0 kernel/locking/mutex.c:582 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x2c/0x38 kernel/locking/mutex.c:799 reiserfs_write_lock+0x7c/0xe8 fs/reiserfs/lock.c:27 reiserfs_lookup+0x128/0x45c fs/reiserfs/namei.c:364 lookup_open fs/namei.c:3455 [inline] open_last_lookups fs/namei.c:3546 [inline] path_openat+0xc90/0x2888 fs/namei.c:3776 do_filp_open+0x1bc/0x3cc fs/namei.c:3809 do_sys_openat2+0x124/0x1b8 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_openat fs/open.c:1468 [inline] __se_sys_openat fs/open.c:1463 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1463 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 irq event stamp: 3653 hardirqs last enabled at (3653): [] kasan_quarantine_put+0x1a0/0x1c8 mm/kasan/quarantine.c:242 hardirqs last disabled at (3652): [] kasan_quarantine_put+0x38/0x1c8 mm/kasan/quarantine.c:215 softirqs last enabled at (3572): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (3570): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- Unable to handle kernel execute from non-executable memory at virtual address ffff800092b77420 KASAN: probably user-memory-access in range [0x0000000495bba100-0x0000000495bba107] Mem abort info: ESR = 0x000000008600000e EC = 0x21: IABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x0e: level 2 permission fault swapper pgtable: 4k pages, 48-bit VAs, pgdp=00000001af25e000 [ffff800092b77420] pgd=100000023ffff003, p4d=100000023ffff003, pud=100000023fffe003, pmd=00680001b3c00701 Internal error: Oops: 000000008600000e [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 7211 Comm: syz-executor.0 Tainted: G W 6.7.0-rc8-syzkaller-00101-g0802e17d9aca #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 11/17/2023 pstate: 80400005 (Nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : bfs_fill_super.__key+0x0/0x20 lr : get_third_component fs/reiserfs/namei.c:196 [inline] lr : reiserfs_find_entry+0x230/0x149c fs/reiserfs/namei.c:317 sp : ffff800097237380 x29: ffff800097237500 x28: 000000000000000e x27: dfff800000000000 x26: ffff700012e46eb0 x25: ffff8000972375a0 x24: ffff800097237630 x23: ffff8000972374a0 x22: ffff700012e46e90 x21: ffff0000cc6e70d8 x20: dfff800000000000 x19: ffff0000e2f52ff0 x18: ffff800097236e60 x17: 0000000000000000 x16: ffff80008a77ce00 x15: 0000000000000004 x14: 0000000000000000 x13: 0000000000000002 x12: ffff0000c6051e00 x11: 0000000000ff0100 x10: 0000000000ff0100 x9 : 0000000000000000 x8 : ffff800092b77420 x7 : 0000000000000000 x6 : ffff800080e5c7dc x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000020 x2 : 0000000000000000 x1 : 000000000000000e x0 : ffff0000dc029678 Call trace: bfs_fill_super.__key+0x0/0x20 reiserfs_lookup+0x17c/0x45c fs/reiserfs/namei.c:368 lookup_open fs/namei.c:3455 [inline] open_last_lookups fs/namei.c:3546 [inline] path_openat+0xc90/0x2888 fs/namei.c:3776 do_filp_open+0x1bc/0x3cc fs/namei.c:3809 do_sys_openat2+0x124/0x1b8 fs/open.c:1437 do_sys_open fs/open.c:1452 [inline] __do_sys_openat fs/open.c:1468 [inline] __se_sys_openat fs/open.c:1463 [inline] __arm64_sys_openat+0x1f0/0x240 fs/open.c:1463 __invoke_syscall arch/arm64/kernel/syscall.c:37 [inline] invoke_syscall+0x98/0x2b8 arch/arm64/kernel/syscall.c:51 el0_svc_common+0x130/0x23c arch/arm64/kernel/syscall.c:136 do_el0_svc+0x48/0x58 arch/arm64/kernel/syscall.c:155 el0_svc+0x54/0x158 arch/arm64/kernel/entry-common.c:678 el0t_64_sync_handler+0x84/0xfc arch/arm64/kernel/entry-common.c:696 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:595 Code: 00000000 00000000 00000000 00000000 (00000000) ---[ end trace 0000000000000000 ]---