------------[ cut here ]------------ DEBUG_LOCKS_WARN_ON(lock->magic != lock) WARNING: CPU: 1 PID: 8023 at kernel/locking/mutex.c:582 __mutex_lock_common+0x4c4/0xca8 kernel/locking/mutex.c:582 Modules linked in: CPU: 1 PID: 8023 Comm: syz-executor.2 Not tainted 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 60400005 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : __mutex_lock_common+0x4c4/0xca8 kernel/locking/mutex.c:582 lr : __mutex_lock_common+0x4c4/0xca8 kernel/locking/mutex.c:582 sp : ffff8000134db900 x29: ffff8000134db970 x28: ffff80000ee2b000 x27: ffff8000134dbc78 x26: 0000000000000000 x25: ffff00011b9f07b8 x24: 0000000000000002 x23: ffff800008d63770 x22: 0000000000000000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff00011b9f04e8 x18: 00000000000000c0 x17: ffff80000dd0b198 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000012 x12: 0000000000040000 x11: 0000000000001f1a x10: ffff80001d1e8000 x9 : 5cb822fa7754d600 x8 : 5cb822fa7754d600 x7 : 4e5241575f534b43 x6 : ffff80000819545c x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000100000000 x0 : 0000000000000028 Call trace: __mutex_lock_common+0x4c4/0xca8 kernel/locking/mutex.c:582 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 __jfs_xattr_set+0x68/0x108 fs/jfs/xattr.c:916 jfs_xattr_set+0x58/0x70 fs/jfs/xattr.c:941 __vfs_setxattr+0x250/0x260 fs/xattr.c:182 __vfs_setxattr_noperm+0xcc/0x320 fs/xattr.c:216 __vfs_setxattr_locked+0x16c/0x194 fs/xattr.c:277 vfs_setxattr+0x174/0x280 fs/xattr.c:313 do_setxattr fs/xattr.c:600 [inline] setxattr fs/xattr.c:623 [inline] path_setxattr+0x354/0x414 fs/xattr.c:642 __do_sys_lsetxattr fs/xattr.c:665 [inline] __se_sys_lsetxattr fs/xattr.c:661 [inline] __arm64_sys_lsetxattr+0x2c/0x40 fs/xattr.c:661 __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:636 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 irq event stamp: 247 hardirqs last enabled at (247): [] __raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:151 [inline] hardirqs last enabled at (247): [] _raw_spin_unlock_irqrestore+0x48/0x8c kernel/locking/spinlock.c:194 hardirqs last disabled at (246): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (246): [] _raw_spin_lock_irqsave+0xa4/0xb4 kernel/locking/spinlock.c:162 softirqs last enabled at (236): [] local_bh_enable+0x10/0x34 include/linux/bottom_half.h:32 softirqs last disabled at (234): [] local_bh_disable+0x10/0x34 include/linux/bottom_half.h:19 ---[ end trace 0000000000000000 ]--- Unable to handle kernel paging request at virtual address 000000010000002c Mem abort info: ESR = 0x0000000096000005 EC = 0x25: DABT (current EL), IL = 32 bits SET = 0, FnV = 0 EA = 0, S1PTW = 0 FSC = 0x05: level 1 translation fault Data abort info: ISV = 0, ISS = 0x00000005 CM = 0, WnR = 0 user pgtable: 4k pages, 48-bit VAs, pgdp=000000015af84000 [000000010000002c] pgd=0800000169ea0003, p4d=0800000169ea0003, pud=0000000000000000 Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP Modules linked in: CPU: 1 PID: 8023 Comm: syz-executor.2 Tainted: G W 6.0.0-rc7-syzkaller-18095-gbbed346d5a96 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/30/2022 pstate: 00400005 (nzcv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--) pc : owner_on_cpu include/linux/sched.h:2269 [inline] pc : mutex_can_spin_on_owner kernel/locking/mutex.c:409 [inline] pc : mutex_optimistic_spin+0x1c8/0x254 kernel/locking/mutex.c:452 lr : __mutex_lock_common+0x1b4/0xca8 kernel/locking/mutex.c:607 sp : ffff8000134db8a0 x29: ffff8000134db8b0 x28: ffff80000ee2b000 x27: ffff80000cb4f733 x26: 0000000000000000 x25: ffff00011b9f07b8 x24: ffff00011b9f0550 x23: ffff800008d63770 x22: ffff80000d30c000 x21: 0000000000000000 x20: 0000000000000000 x19: ffff00011b9f04e8 x18: 00000000000000c0 x17: ffff80000dd0b198 x16: 0000000000000000 x15: 0000000000000000 x14: 0000000000000000 x13: 0000000000000012 x12: 0000000000040000 x11: 0000000000001f1a x10: ffff80000d30c000 x9 : 0000000000000003 x8 : 00000000fffffff8 x7 : 4e5241575f534b43 x6 : ffff800008d63770 x5 : 0000000000000000 x4 : 0000000000000001 x3 : 0000000000000000 x2 : 0000000000000000 x1 : 0000000000000000 x0 : ffff00011b9f04e8 Call trace: mutex_can_spin_on_owner kernel/locking/mutex.c:408 [inline] mutex_optimistic_spin+0x1c8/0x254 kernel/locking/mutex.c:452 __mutex_lock_common+0x1b4/0xca8 kernel/locking/mutex.c:607 __mutex_lock kernel/locking/mutex.c:747 [inline] mutex_lock_nested+0x38/0x44 kernel/locking/mutex.c:799 __jfs_xattr_set+0x68/0x108 fs/jfs/xattr.c:916 jfs_xattr_set+0x58/0x70 fs/jfs/xattr.c:941 __vfs_setxattr+0x250/0x260 fs/xattr.c:182 __vfs_setxattr_noperm+0xcc/0x320 fs/xattr.c:216 __vfs_setxattr_locked+0x16c/0x194 fs/xattr.c:277 vfs_setxattr+0x174/0x280 fs/xattr.c:313 do_setxattr fs/xattr.c:600 [inline] setxattr fs/xattr.c:623 [inline] path_setxattr+0x354/0x414 fs/xattr.c:642 __do_sys_lsetxattr fs/xattr.c:665 [inline] __se_sys_lsetxattr fs/xattr.c:661 [inline] __arm64_sys_lsetxattr+0x2c/0x40 fs/xattr.c:661 __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:636 el0t_64_sync_handler+0x84/0xf0 arch/arm64/kernel/entry-common.c:654 el0t_64_sync+0x18c/0x190 arch/arm64/kernel/entry.S:581 Code: 37080148 f9400268 f27df108 54000080 (b9403509) ---[ end trace 0000000000000000 ]--- ---------------- Code disassembly (best guess): 0: 37080148 tbnz w8, #1, 0x28 4: f9400268 ldr x8, [x19] 8: f27df108 ands x8, x8, #0xfffffffffffffff8 c: 54000080 b.eq 0x1c // b.none * 10: b9403509 ldr w9, [x8, #52] <-- trapping instruction