================================ WARNING: inconsistent lock state 6.9.0-rc5-syzkaller-00355-g2c8159388952 #0 Not tainted -------------------------------- inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. syz-executor.4/6044 [HC0[0]:SC1[1]:HE0:SE0] takes: ffff8880b9538a80 (lock#12){+.?.}-{2:2}, at: local_lock_acquire include/linux/local_lock_internal.h:29 [inline] ffff8880b9538a80 (lock#12){+.?.}-{2:2}, at: __mmap_lock_do_trace_acquire_returned+0x7f/0x790 mm/mmap_lock.c:237 {SOFTIRQ-ON-W} state was registered at: lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 local_lock_acquire include/linux/local_lock_internal.h:29 [inline] __mmap_lock_do_trace_acquire_returned+0x97/0x790 mm/mmap_lock.c:237 __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline] mmap_write_lock_killable include/linux/mmap_lock.h:125 [inline] vm_mmap_pgoff+0x2f7/0x3c0 mm/util.c:571 ksys_mmap_pgoff+0x7d/0x5b0 mm/mmap.c:1431 __do_sys_mmap arch/x86/kernel/sys_x86_64.c:86 [inline] __se_sys_mmap arch/x86/kernel/sys_x86_64.c:79 [inline] __x64_sys_mmap+0x125/0x190 arch/x86/kernel/sys_x86_64.c:79 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcf/0x260 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f irq event stamp: 1211351 hardirqs last enabled at (1211350): [] __do_softirq+0x1d6/0x922 kernel/softirq.c:538 hardirqs last disabled at (1211351): [] __raw_spin_lock_irq include/linux/spinlock_api_smp.h:117 [inline] hardirqs last disabled at (1211351): [] _raw_spin_lock_irq+0x45/0x50 kernel/locking/spinlock.c:170 softirqs last enabled at (1210726): [] softirq_handle_end kernel/softirq.c:400 [inline] softirqs last enabled at (1210726): [] __do_softirq+0x5da/0x922 kernel/softirq.c:583 softirqs last disabled at (1211349): [] invoke_softirq kernel/softirq.c:428 [inline] softirqs last disabled at (1211349): [] __irq_exit_rcu kernel/softirq.c:633 [inline] softirqs last disabled at (1211349): [] irq_exit_rcu+0xb9/0x120 kernel/softirq.c:645 other info that might help us debug this: Possible unsafe locking scenario: CPU0 ---- lock(lock#12); lock(lock#12); *** DEADLOCK *** 11 locks held by syz-executor.4/6044: #0: ffff888063e680e0 (&type->s_umount_key#70){+.+.}-{3:3}, at: __super_lock fs/super.c:56 [inline] #0: ffff888063e680e0 (&type->s_umount_key#70){+.+.}-{3:3}, at: __super_lock_excl fs/super.c:71 [inline] #0: ffff888063e680e0 (&type->s_umount_key#70){+.+.}-{3:3}, at: deactivate_super+0xd6/0x100 fs/super.c:504 #1: ffff88807844d2a0 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2173 [inline] #1: ffff88807844d2a0 (&sbi->gc_lock){+.+.}-{3:3}, at: f2fs_issue_checkpoint+0x186/0x4a0 fs/f2fs/checkpoint.c:1870 #2: ffff88807844c310 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2173 [inline] #2: ffff88807844c310 (&sbi->cp_global_sem){+.+.}-{3:3}, at: f2fs_write_checkpoint+0x395/0x4b90 fs/f2fs/checkpoint.c:1651 #3: ffff88807844c3a8 (&sbi->cp_rwsem){++++}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2173 [inline] #3: ffff88807844c3a8 (&sbi->cp_rwsem){++++}-{3:3}, at: f2fs_lock_all fs/f2fs/f2fs.h:2223 [inline] #3: ffff88807844c3a8 (&sbi->cp_rwsem){++++}-{3:3}, at: block_operations+0xfb/0xf20 fs/f2fs/checkpoint.c:1231 #4: ffff88807844c440 (&sbi->node_write){++++}-{3:3}, at: f2fs_down_write fs/f2fs/f2fs.h:2173 [inline] #4: ffff88807844c440 (&sbi->node_write){++++}-{3:3}, at: block_operations+0x928/0xf20 fs/f2fs/checkpoint.c:1279 #5: ffff88807844c828 (&im->ino_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] #5: ffff88807844c828 (&im->ino_lock){+.+.}-{2:2}, at: f2fs_release_ino_entry+0x7b/0x320 fs/f2fs/checkpoint.c:615 #6: ffffc90000a08cb0 (&(&bat_priv->nc.work)->timer){..-.}-{0:0}, at: call_timer_fn+0x11a/0x610 kernel/time/timer.c:1790 #7: ffffffff8d7b0e20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #7: ffffffff8d7b0e20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #7: ffffffff8d7b0e20 (rcu_read_lock){....}-{1:2}, at: __queue_work+0xf2/0x1020 kernel/workqueue.c:2324 #8: ffff8880150a0018 (&pool->lock){-.-.}-{2:2}, at: __queue_work+0x39e/0x1020 kernel/workqueue.c:2360 #9: ffffffff8d7b0e20 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #9: ffffffff8d7b0e20 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:781 [inline] #9: ffffffff8d7b0e20 (rcu_read_lock){....}-{1:2}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2380 [inline] #9: ffffffff8d7b0e20 (rcu_read_lock){....}-{1:2}, at: bpf_trace_run3+0xf8/0x440 kernel/trace/bpf_trace.c:2421 #10: ffff88807b2481a0 (&mm->mmap_lock){++++}-{3:3}, at: mmap_read_trylock include/linux/mmap_lock.h:165 [inline] #10: ffff88807b2481a0 (&mm->mmap_lock){++++}-{3:3}, at: stack_map_get_build_id_offset+0x1e8/0x7d0 kernel/bpf/stackmap.c:141 stack backtrace: CPU: 1 PID: 6044 Comm: syz-executor.4 Not tainted 6.9.0-rc5-syzkaller-00355-g2c8159388952 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x116/0x1f0 lib/dump_stack.c:114 print_usage_bug kernel/locking/lockdep.c:3971 [inline] valid_state kernel/locking/lockdep.c:4013 [inline] mark_lock_irq kernel/locking/lockdep.c:4216 [inline] mark_lock+0x923/0xc60 kernel/locking/lockdep.c:4678 mark_usage kernel/locking/lockdep.c:4567 [inline] __lock_acquire+0x13d4/0x3b30 kernel/locking/lockdep.c:5091 lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 local_lock_acquire include/linux/local_lock_internal.h:29 [inline] __mmap_lock_do_trace_acquire_returned+0x97/0x790 mm/mmap_lock.c:237 __mmap_lock_trace_acquire_returned include/linux/mmap_lock.h:36 [inline] mmap_read_trylock include/linux/mmap_lock.h:166 [inline] stack_map_get_build_id_offset+0x5df/0x7d0 kernel/bpf/stackmap.c:141 __bpf_get_stack+0x6bf/0x700 kernel/bpf/stackmap.c:449 ____bpf_get_stack_raw_tp kernel/trace/bpf_trace.c:1985 [inline] bpf_get_stack_raw_tp+0x124/0x160 kernel/trace/bpf_trace.c:1975 ___bpf_prog_run+0x3e51/0xabd0 kernel/bpf/core.c:1997 __bpf_prog_run32+0xc1/0x100 kernel/bpf/core.c:2236 bpf_dispatcher_nop_func include/linux/bpf.h:1234 [inline] __bpf_prog_run include/linux/filter.h:657 [inline] bpf_prog_run include/linux/filter.h:664 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2381 [inline] bpf_trace_run3+0x167/0x440 kernel/trace/bpf_trace.c:2421 __bpf_trace_workqueue_queue_work+0x101/0x140 include/trace/events/workqueue.h:23 trace_workqueue_queue_work include/trace/events/workqueue.h:23 [inline] __queue_work+0x627/0x1020 kernel/workqueue.c:2382 call_timer_fn+0x1a0/0x610 kernel/time/timer.c:1793 expire_timers kernel/time/timer.c:1839 [inline] __run_timers+0x567/0xaf0 kernel/time/timer.c:2418 __run_timer_base kernel/time/timer.c:2429 [inline] __run_timer_base kernel/time/timer.c:2422 [inline] run_timer_base+0x111/0x190 kernel/time/timer.c:2438 run_timer_softirq+0x1a/0x40 kernel/time/timer.c:2448 __do_softirq+0x218/0x922 kernel/softirq.c:554 invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:633 [inline] irq_exit_rcu+0xb9/0x120 kernel/softirq.c:645 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0x95/0xb0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__raw_spin_unlock_irqrestore include/linux/spinlock_api_smp.h:152 [inline] RIP: 0010:_raw_spin_unlock_irqrestore+0x31/0x80 kernel/locking/spinlock.c:194 Code: f5 53 48 8b 74 24 10 48 89 fb 48 83 c7 18 e8 66 bb 8c f6 48 89 df e8 be 37 8d f6 f7 c5 00 02 00 00 75 23 9c 58 f6 c4 02 75 37 01 00 00 00 e8 85 75 7e f6 65 8b 05 66 b8 24 75 85 c0 74 16 5b RSP: 0018:ffffc900045275d8 EFLAGS: 00000246 RAX: 0000000000000006 RBX: ffffffff94880f28 RCX: 1ffffffff27c8d7f RDX: 0000000000000000 RSI: ffffffff8b0cae00 RDI: ffffffff8b6f55a0 RBP: 0000000000000206 R08: 0000000000000001 R09: fffffbfff27bb652 R10: ffffffff93ddb297 R11: ffffffff8b0e3560 R12: 0000000000000001 R13: ffff8880299782d8 R14: 1ffff920008a4ec2 R15: ffffffff94880f20 debug_object_activate+0x34d/0x540 lib/debugobjects.c:726 debug_rcu_head_queue kernel/rcu/rcu.h:227 [inline] __call_rcu_common.constprop.0+0x2c/0x790 kernel/rcu/tree.c:2719 radix_tree_node_free lib/radix-tree.c:310 [inline] delete_node+0x1fc/0x8e0 lib/radix-tree.c:573 __radix_tree_delete+0x193/0x3d0 lib/radix-tree.c:1379 radix_tree_delete_item+0xeb/0x230 lib/radix-tree.c:1430 f2fs_release_ino_entry+0x1cf/0x320 fs/f2fs/checkpoint.c:618 do_checkpoint fs/f2fs/checkpoint.c:1609 [inline] f2fs_write_checkpoint+0x2e7e/0x4b90 fs/f2fs/checkpoint.c:1710 __write_checkpoint_sync fs/f2fs/checkpoint.c:1781 [inline] f2fs_issue_checkpoint+0x193/0x4a0 fs/f2fs/checkpoint.c:1878 f2fs_sync_fs+0x32f/0x410 fs/f2fs/super.c:1705 sync_filesystem+0x1cc/0x290 fs/sync.c:66 f2fs_put_super+0xb2/0xf60 fs/f2fs/super.c:1579 generic_shutdown_super+0x159/0x3d0 fs/super.c:641 kill_block_super+0x3b/0x90 fs/super.c:1675 kill_f2fs_super+0x2b4/0x440 fs/f2fs/super.c:4857 deactivate_locked_super+0xbe/0x1a0 fs/super.c:472 deactivate_super+0xde/0x100 fs/super.c:505 cleanup_mnt+0x222/0x450 fs/namespace.c:1267 task_work_run+0x14e/0x250 kernel/task_work.c:180 resume_user_mode_work include/linux/resume_user_mode.h:50 [inline] exit_to_user_mode_loop kernel/entry/common.c:114 [inline] exit_to_user_mode_prepare include/linux/entry-common.h:328 [inline] __syscall_exit_to_user_mode_work kernel/entry/common.c:207 [inline] syscall_exit_to_user_mode+0x278/0x2a0 kernel/entry/common.c:218 do_syscall_64+0xdc/0x260 arch/x86/entry/common.c:89 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f48e007f1d7 Code: b0 ff ff ff f7 d8 64 89 01 48 83 c8 ff c3 0f 1f 44 00 00 31 f6 e9 09 00 00 00 66 0f 1f 84 00 00 00 00 00 b8 a6 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 01 c3 48 c7 c2 b0 ff ff ff f7 d8 64 89 02 b8 RSP: 002b:00007ffc808317f8 EFLAGS: 00000246 ORIG_RAX: 00000000000000a6 RAX: 0000000000000000 RBX: 0000000000000000 RCX: 00007f48e007f1d7 RDX: 0000000000000000 RSI: 0000000000000009 RDI: 00007ffc808318b0 RBP: 00007ffc808318b0 R08: 0000000000000000 R09: 0000000000000000 R10: 00000000ffffffff R11: 0000000000000246 R12: 00007ffc80832970 R13: 00007f48e00c93b9 R14: 000000000003726b R15: 0000000000000006 ---------------- Code disassembly (best guess): 0: f5 cmc 1: 53 push %rbx 2: 48 8b 74 24 10 mov 0x10(%rsp),%rsi 7: 48 89 fb mov %rdi,%rbx a: 48 83 c7 18 add $0x18,%rdi e: e8 66 bb 8c f6 call 0xf68cbb79 13: 48 89 df mov %rbx,%rdi 16: e8 be 37 8d f6 call 0xf68d37d9 1b: f7 c5 00 02 00 00 test $0x200,%ebp 21: 75 23 jne 0x46 23: 9c pushf 24: 58 pop %rax 25: f6 c4 02 test $0x2,%ah 28: 75 37 jne 0x61 * 2a: bf 01 00 00 00 mov $0x1,%edi <-- trapping instruction 2f: e8 85 75 7e f6 call 0xf67e75b9 34: 65 8b 05 66 b8 24 75 mov %gs:0x7524b866(%rip),%eax # 0x7524b8a1 3b: 85 c0 test %eax,%eax 3d: 74 16 je 0x55 3f: 5b pop %rbx