REISERFS (device loop0): journal params: device loop0, size 512, journal first block 18, max trans len 256, max batch 225, max commit age 30, max trans age 30 REISERFS (device loop0): checking transaction log (loop0) REISERFS (device loop0): Using r5 hash to sort names reiserfs: enabling write barrier flush mode BUG: unable to handle kernel paging request at 0000007600040180 PGD 135250067 P4D 135250067 PUD 0 Oops: 0002 [#1] PREEMPT SMP CPU: 0 PID: 2971 Comm: syz-executor.0 Not tainted 4.19.0-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 RIP: 0010:arch_atomic_inc arch/x86/include/asm/atomic.h:97 [inline] RIP: 0010:atomic_inc include/asm-generic/atomic-instrumented.h:110 [inline] RIP: 0010:__lock_acquire.isra.10+0x85/0x680 kernel/locking/lockdep.c:3303 Code: 83 fe 01 0f 86 d1 02 00 00 31 d2 4c 89 ff 44 89 45 d0 89 4d d4 e8 db f0 ff ff 8b 4d d4 48 85 c0 44 8b 45 d0 0f 84 ab 02 00 00 ff 80 38 01 00 00 44 8b 15 85 ae 82 02 41 8b b6 68 08 00 00 45 RSP: 0018:ffffc90000e0fb80 EFLAGS: 00010006 RAX: 0000007600040048 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88012f2f8018 RBP: ffffc90000e0fbb0 R08: 0000000000000001 R09: 0000000000000000 R10: ffff880134b50000 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffff880134b50000 R15: ffff88012f2f8018 FS: 00007f05b0d88480(0000) GS:ffff88013ba00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000007600040180 CR3: 0000000134b6b000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0xd6/0x1a0 kernel/locking/lockdep.c:3900 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0x54/0x70 kernel/locking/spinlock.c:152 __delayacct_add_tsk+0xcc/0x180 kernel/delayacct.c:131 delayacct_add_tsk include/linux/delayacct.h:137 [inline] fill_tgid_exit kernel/taskstats.c:282 [inline] taskstats_exit+0xaf/0x3c0 kernel/taskstats.c:611 do_exit+0x140/0xbe0 kernel/exit.c:852 do_group_exit+0x40/0xc0 kernel/exit.c:970 get_signal+0x293/0x660 kernel/signal.c:2513 do_signal+0x32/0x680 arch/x86/kernel/signal.c:816 exit_to_usermode_loop+0xce/0xf0 arch/x86/entry/common.c:162 prepare_exit_to_usermode arch/x86/entry/common.c:197 [inline] syscall_return_slowpath arch/x86/entry/common.c:268 [inline] do_syscall_64+0x159/0x160 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x44/0xa9 RIP: 0033:0x7f05afc52ae9 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffd05404f68 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca RAX: fffffffffffffdfc RBX: 000000000000eac9 RCX: 00007f05afc52ae9 RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00007f05afd71f8c RBP: 0000000000000fd2 R08: 00007f05afd71f8c R09: 00007f05afd71f8c R10: 00007ffd054050a0 R11: 0000000000000246 R12: 00007f05afd71f8c R13: 000000000000fa9b R14: 00007ffd054050c0 R15: 00007ffd054050a0 Modules linked in: CR2: 0000007600040180 ---[ end trace 4e1d186f87514202 ]--- BUG: unable to handle kernel paging request at ffff880132b80000 RIP: 0010:arch_atomic_inc arch/x86/include/asm/atomic.h:97 [inline] RIP: 0010:atomic_inc include/asm-generic/atomic-instrumented.h:110 [inline] RIP: 0010:__lock_acquire.isra.10+0x85/0x680 kernel/locking/lockdep.c:3303 PGD 4401067 Code: 83 fe 01 0f 86 d1 02 00 00 31 d2 4c 89 ff 44 89 45 d0 89 4d d4 e8 db f0 ff ff 8b 4d d4 48 85 c0 44 8b 45 d0 0f 84 ab 02 00 00 ff 80 38 01 00 00 44 8b 15 85 ae 82 02 41 8b b6 68 08 00 00 45 P4D 4401067 PUD 23a7f6063 RSP: 0018:ffffc90000e0fb80 EFLAGS: 00010006 PMD 132b7f063 PTE 0 RAX: 0000007600040048 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff88012f2f8018 RBP: ffffc90000e0fbb0 R08: 0000000000000001 R09: 0000000000000000 Oops: 0002 [#2] PREEMPT SMP CPU: 1 PID: 2972 Comm: syz-executor.0 Tainted: G D 4.19.0-syzkaller #0 R10: ffff880134b50000 R11: 0000000000000000 R12: 0000000000000000 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/26/2023 R13: 0000000000000000 R14: ffff880134b50000 R15: ffff88012f2f8018 RIP: 0010:__memmove+0x24/0x1a0 arch/x86/lib/memmove_64.S:43 FS: 00007f05b0d88480(0000) GS:ffff88013ba00000(0000) knlGS:0000000000000000 Code: 90 90 90 90 90 90 48 89 f8 48 83 fa 20 0f 82 03 01 00 00 48 39 fe 7d 0f 49 89 f0 49 01 d0 49 39 f8 0f 8f 9f 00 00 00 48 89 d1 a4 c3 48 81 fa a8 02 00 00 72 05 40 38 fe 74 3b 48 83 ea 20 48 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 RSP: 0018:ffffc90000dd7610 EFLAGS: 00010283 CR2: 0000007600040180 CR3: 0000000134b6b000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 RAX: ffff88012db20fb4 RBX: ffff88012db20f87 RCX: fffffffffafa0f97 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 ---------------- Code disassembly (best guess): 0: 83 fe 01 cmp $0x1,%esi 3: 0f 86 d1 02 00 00 jbe 0x2da 9: 31 d2 xor %edx,%edx b: 4c 89 ff mov %r15,%rdi e: 44 89 45 d0 mov %r8d,-0x30(%rbp) 12: 89 4d d4 mov %ecx,-0x2c(%rbp) 15: e8 db f0 ff ff call 0xfffff0f5 1a: 8b 4d d4 mov -0x2c(%rbp),%ecx 1d: 48 85 c0 test %rax,%rax 20: 44 8b 45 d0 mov -0x30(%rbp),%r8d 24: 0f 84 ab 02 00 00 je 0x2d5 * 2a: f0 ff 80 38 01 00 00 lock incl 0x138(%rax) <-- trapping instruction 31: 44 8b 15 85 ae 82 02 mov 0x282ae85(%rip),%r10d # 0x282aebd 38: 41 8b b6 68 08 00 00 mov 0x868(%r14),%esi 3f: 45 rex.RB