============================= [ BUG: Invalid wait context ] 6.13.0-rc1-next-20241205-syzkaller #0 Not tainted ----------------------------- syz.4.43/6090 is trying to lock: ffff888035e07200 (&trie->lock){....}-{3:3}, at: trie_delete_elem+0x96/0x6a0 kernel/bpf/lpm_trie.c:462 other info that might help us debug this: context-{5:5} 3 locks held by syz.4.43/6090: #0: ffffffff8e98b648 (tracepoints_mutex){+.+.}-{4:4}, at: tracepoint_probe_register_prio_may_exist+0xbb/0x190 kernel/tracepoint.c:431 #1: ffff8880b863e998 (&rq->__lock){-.-.}-{2:2}, at: raw_spin_rq_lock_nested+0x2a/0x140 kernel/sched/core.c:598 #2: ffffffff8e9374a0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire include/linux/rcupdate.h:337 [inline] #2: ffffffff8e9374a0 (rcu_read_lock){....}-{1:3}, at: rcu_read_lock include/linux/rcupdate.h:849 [inline] #2: ffffffff8e9374a0 (rcu_read_lock){....}-{1:3}, at: __bpf_trace_run kernel/trace/bpf_trace.c:2354 [inline] #2: ffffffff8e9374a0 (rcu_read_lock){....}-{1:3}, at: bpf_trace_run4+0x244/0x590 kernel/trace/bpf_trace.c:2398 stack backtrace: CPU: 0 UID: 0 PID: 6090 Comm: syz.4.43 Not tainted 6.13.0-rc1-next-20241205-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:120 print_lock_invalid_wait_context kernel/locking/lockdep.c:4826 [inline] check_wait_context kernel/locking/lockdep.c:4898 [inline] __lock_acquire+0x15a8/0x2100 kernel/locking/lockdep.c:5176 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5849 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline] _raw_spin_lock_irqsave+0xd5/0x120 kernel/locking/spinlock.c:162 trie_delete_elem+0x96/0x6a0 kernel/bpf/lpm_trie.c:462 bpf_prog_1db1603a7cfa36fb+0x46/0x4a bpf_dispatcher_nop_func include/linux/bpf.h:1290 [inline] __bpf_prog_run include/linux/filter.h:701 [inline] bpf_prog_run include/linux/filter.h:708 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:2355 [inline] bpf_trace_run4+0x334/0x590 kernel/trace/bpf_trace.c:2398 __traceiter_sched_switch+0x98/0xd0 include/trace/events/sched.h:222 trace_sched_switch include/trace/events/sched.h:222 [inline] __schedule+0x230b/0x4c80 kernel/sched/core.c:6755 preempt_schedule_irq+0xfb/0x1c0 kernel/sched/core.c:7080 irqentry_exit+0x5e/0x90 kernel/entry/common.c:354 asm_sysvec_reschedule_ipi+0x1a/0x20 arch/x86/include/asm/idtentry.h:707 RIP: 0010:__sanitizer_cov_trace_pc+0x5d/0x70 kernel/kcov.c:235 Code: 00 16 00 00 83 fa 02 75 21 48 8b 91 08 16 00 00 48 8b 32 48 8d 7e 01 8b 89 04 16 00 00 48 39 cf 73 08 48 89 3a 48 89 44 f2 08 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 RSP: 0018:ffffc9000518f8c0 EFLAGS: 00000283 RAX: ffffffff814d5261 RBX: 000000000000002e RCX: 0000000000080000 RDX: ffffc9000ec9c000 RSI: 0000000000000af7 RDI: 0000000000000af8 RBP: ffffc9000518fa28 R08: ffffffff814d5253 R09: 1ffffffff2856529 R10: dffffc0000000000 R11: fffffbfff285652a R12: 0000000032dc9100 R13: 1ffff92000a31f30 R14: ffffc9000518f9c0 R15: ffff888032dc9100 phys_addr_valid arch/x86/mm/physaddr.h:7 [inline] __virt_addr_valid+0xa1/0x530 arch/x86/mm/physaddr.c:61 kasan_addr_to_slab+0xd/0x80 mm/kasan/common.c:37 kasan_record_aux_stack+0xf/0xc0 mm/kasan/generic.c:533 __call_rcu_common kernel/rcu/tree.c:3086 [inline] call_rcu+0x167/0xa70 kernel/rcu/tree.c:3190 release_probes kernel/tracepoint.c:118 [inline] tracepoint_add_func+0x705/0xaa0 kernel/tracepoint.c:340 tracepoint_probe_register_prio_may_exist+0x122/0x190 kernel/tracepoint.c:435 bpf_raw_tp_link_attach+0x4a3/0x700 kernel/bpf/syscall.c:3981 bpf_raw_tracepoint_open+0x177/0x1f0 kernel/bpf/syscall.c:4012 __sys_bpf+0x3c0/0x810 kernel/bpf/syscall.c:5832 __do_sys_bpf kernel/bpf/syscall.c:5897 [inline] __se_sys_bpf kernel/bpf/syscall.c:5895 [inline] __x64_sys_bpf+0x7c/0x90 kernel/bpf/syscall.c:5895 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7fbb7bd7ff19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fbb79bd5058 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 RAX: ffffffffffffffda RBX: 00007fbb7bf46160 RCX: 00007fbb7bd7ff19 RDX: 0000000000000010 RSI: 0000000020000740 RDI: 0000000000000011 RBP: 00007fbb7bdf3cc8 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fbb7bf46160 R15: 00007fffeb43e3e8 loop4: detected capacity change from 0 to 512 EXT4-fs: Journaled quota options ignored when QUOTA feature is enabled EXT4-fs (loop4): orphan cleanup on readonly fs EXT4-fs error (device loop4): ext4_validate_block_bitmap:441: comm syz.4.43: bg 0: block 248: padding at end of block bitmap is not set __quota_error: 69 callbacks suppressed Quota error (device loop4): write_blk: dquota write failed Quota error (device loop4): qtree_write_dquot: Error -117 occurred while creating quota EXT4-fs error (device loop4): ext4_acquire_dquot:6924: comm syz.4.43: Failed to acquire dquot type 1 EXT4-fs (loop4): 1 truncate cleaned up EXT4-fs (loop4): mounted filesystem 00000000-0000-0000-0000-000000000000 ro without journal. Quota mode: writeback. ---------------- Code disassembly (best guess): 0: 00 16 add %dl,(%rsi) 2: 00 00 add %al,(%rax) 4: 83 fa 02 cmp $0x2,%edx 7: 75 21 jne 0x2a 9: 48 8b 91 08 16 00 00 mov 0x1608(%rcx),%rdx 10: 48 8b 32 mov (%rdx),%rsi 13: 48 8d 7e 01 lea 0x1(%rsi),%rdi 17: 8b 89 04 16 00 00 mov 0x1604(%rcx),%ecx 1d: 48 39 cf cmp %rcx,%rdi 20: 73 08 jae 0x2a 22: 48 89 3a mov %rdi,(%rdx) 25: 48 89 44 f2 08 mov %rax,0x8(%rdx,%rsi,8) * 2a: c3 ret <-- trapping instruction 2b: cc int3 2c: cc int3 2d: cc int3 2e: cc int3 2f: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) 36: 00 00 00 39: 0f 1f 40 00 nopl 0x0(%rax) 3d: 90 nop 3e: 90 nop 3f: 90 nop