loop5: detected capacity change from 0 to 32832 EXT4-fs (loop5): invalid journal inode EXT4-fs (loop5): can't get journal size ------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(1) WARNING: CPU: 0 PID: 23839 at kernel/locking/lockdep.c:231 check_wait_context kernel/locking/lockdep.c:4729 [inline] WARNING: CPU: 0 PID: 23839 at kernel/locking/lockdep.c:231 __lock_acquire+0x2b0/0x3084 kernel/locking/lockdep.c:5005 Modules linked in: CPU: 0 PID: 23839 Comm: syz-executor.5 Not tainted 6.1.0-rc5-syzkaller-32269-g9500fc6e9e60 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : check_wait_context kernel/locking/lockdep.c:4729 [inline] pc : __lock_acquire+0x2b0/0x3084 kernel/locking/lockdep.c:5005 lr : hlock_class kernel/locking/lockdep.c:231 [inline] lr : check_wait_context kernel/locking/lockdep.c:4729 [inline] lr : __lock_acquire+0x298/0x3084 kernel/locking/lockdep.c:5005 sp : ffff800013ad3750 x29: ffff800013ad3830 x28: 0000000000000001 x27: ffff000116581a68 x26: ffff000113ab86f8 x25: ffff000116582470 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000001 x21: 0000000000000000 x20: 0000000000000001 x19: aaaaab555542fe02 x18: 0000000000000100 x17: ffff80000c0ed83c x16: ffff80000dc18158 x15: ffff000116581a40 x14: 0000000000000000 x13: 0000000000000012 x12: 0000000000040000 x11: 000000000000edac x10: ffff80000ddda198 x9 : dcf89c575cc11200 x8 : 0000000000000000 x7 : 4e5241575f534b43 x6 : ffff80000c0b2b74 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000100000001 x0 : 0000000000000016 Call trace: check_wait_context kernel/locking/lockdep.c:4729 [inline] __lock_acquire+0x2b0/0x3084 kernel/locking/lockdep.c:5005 lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668 __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline] _raw_read_lock+0x68/0x84 kernel/locking/spinlock.c:228 ext4_es_lookup_extent+0x64/0x25c fs/ext4/extents_status.c:932 ext4_map_blocks+0xb4/0xaec fs/ext4/inode.c:528 ext4_protect_reserved_inode fs/ext4/block_validity.c:168 [inline] ext4_setup_system_zone+0x3bc/0x76c fs/ext4/block_validity.c:251 __ext4_fill_super+0x23d8/0x2c2c fs/ext4/super.c:5411 ext4_fill_super+0x100/0x2d8 fs/ext4/super.c:5643 get_tree_bdev+0x1e8/0x2a0 fs/super.c:1324 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5673 vfs_get_tree+0x40/0x140 fs/super.c:1531 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 path_mount+0x358/0x890 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x2c4/0x3c4 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 irq event stamp: 881 hardirqs last enabled at (881): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (881): [] _raw_spin_unlock_irqrestore+0x48/0x8c kernel/locking/spinlock.c:194 hardirqs last disabled at (880): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (880): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (560): [] _stext+0x2e4/0x37c softirqs last disabled at (551): [] ____do_softirq+0x14/0x20 arch/arm64/kernel/irq.c:79 ---[ end trace 0000000000000000 ]--- Unable to handle kernel NULL pointer dereference at virtual address 00000000000000b8 Mem abort info: ESR = 0x0000000096000006 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x06: level 2 translation fault Data abort info: ISV = 0, ISS = 0x00000006 CM = 0, WnR = 0 user pgtable: 4k pages, 48-bit VAs, pgdp=0000000177315000 [00000000000000b8] pgd=080000017716d003, p4d=080000017716d003, pud=0800000156e60003, pmd=0000000000000000 Internal error: Oops: 0000000096000006 [#1] PREEMPT SMP Modules linked in: CPU: 0 PID: 23839 Comm: syz-executor.5 Tainted: G W 6.1.0-rc5-syzkaller-32269-g9500fc6e9e60 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 604000c5 (nZCv daIF +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : check_wait_context kernel/locking/lockdep.c:4729 [inline] pc : __lock_acquire+0x2d0/0x3084 kernel/locking/lockdep.c:5005 lr : hlock_class kernel/locking/lockdep.c:231 [inline] lr : check_wait_context kernel/locking/lockdep.c:4729 [inline] lr : __lock_acquire+0x298/0x3084 kernel/locking/lockdep.c:5005 sp : ffff800013ad3750 x29: ffff800013ad3830 x28: 0000000000000001 x27: ffff000116581a68 x26: ffff000113ab86f8 x25: ffff000116582470 x24: 0000000000000000 x23: 0000000000000000 x22: 0000000000000001 x21: 0000000000000000 x20: 0000000000000001 x19: aaaaab555542fe02 x18: 0000000000000100 x17: ffff80000c0ed83c x16: ffff80000dc18158 x15: ffff000116581a40 x14: 0000000000000000 x13: 0000000000000012 x12: 0000000000040000 x11: 000000000000edac x10: ffff80000ddda198 x9 : 0000000000051e02 x8 : 0000000000000000 x7 : 4e5241575f534b43 x6 : ffff80000c0b2b74 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000100000001 x0 : 0000000000000016 Call trace: hlock_class kernel/locking/lockdep.c:222 [inline] check_wait_context kernel/locking/lockdep.c:4730 [inline] __lock_acquire+0x2d0/0x3084 kernel/locking/lockdep.c:5005 lock_acquire+0x100/0x1f8 kernel/locking/lockdep.c:5668 __raw_read_lock include/linux/rwlock_api_smp.h:150 [inline] _raw_read_lock+0x68/0x84 kernel/locking/spinlock.c:228 ext4_es_lookup_extent+0x64/0x25c fs/ext4/extents_status.c:932 ext4_map_blocks+0xb4/0xaec fs/ext4/inode.c:528 ext4_protect_reserved_inode fs/ext4/block_validity.c:168 [inline] ext4_setup_system_zone+0x3bc/0x76c fs/ext4/block_validity.c:251 __ext4_fill_super+0x23d8/0x2c2c fs/ext4/super.c:5411 ext4_fill_super+0x100/0x2d8 fs/ext4/super.c:5643 get_tree_bdev+0x1e8/0x2a0 fs/super.c:1324 ext4_get_tree+0x28/0x38 fs/ext4/super.c:5673 vfs_get_tree+0x40/0x140 fs/super.c:1531 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 path_mount+0x358/0x890 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x2c4/0x3c4 fs/namespace.c:3568 __invoke_syscall arch/arm64/kernel/syscall.c:38 [inline] invoke_syscall arch/arm64/kernel/syscall.c:52 [inline] el0_svc_common+0x138/0x220 arch/arm64/kernel/syscall.c:142 do_el0_svc+0x48/0x164 arch/arm64/kernel/syscall.c:206 el0_svc+0x58/0x150 arch/arm64/kernel/entry-common.c:637 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:655 el0t_64_sync+0x190/0x194 arch/arm64/kernel/entry.S:584 Code: d002e1ca 91056210 9106614a b9400329 (3942e114) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: d002e1ca adrp x10, 0x5c3a000 4: 91056210 add x16, x16, #0x158 8: 9106614a add x10, x10, #0x198 c: b9400329 ldr w9, [x25] * 10: 3942e114 ldrb w20, [x8, #184] <-- trapping instruction