BUG: MAX_LOCK_DEPTH too low! turning off the locking correctness validator. depth: 48 max: 48! 48 locks held by syz.4.695/11659: #0: ffff88802db2a0e0 (&type->s_umount_key#55){++++}-{3:3}, at: __super_lock fs/super.c:58 [inline] #0: ffff88802db2a0e0 (&type->s_umount_key#55){++++}-{3:3}, at: super_lock+0x27c/0x400 fs/super.c:120 #1: ffff88806bf042d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:151 [inline] #1: ffff88806bf042d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:250 [inline] #1: ffff88806bf042d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: __bch2_trans_get+0x7f8/0xe40 fs/bcachefs/btree_iter.c:3193 #2: ffff88806bf26750 (&c->gc_lock){.+.+}-{3:3}, at: bch2_btree_update_start+0x68d/0x1500 fs/bcachefs/btree_update_interior.c:1195 #3: ffff88806bf1dc78 (&wp->lock){+.+.}-{3:3}, at: bch2_trans_mutex_lock_norelock fs/bcachefs/alloc_foreground.c:41 [inline] #3: ffff88806bf1dc78 (&wp->lock){+.+.}-{3:3}, at: writepoint_find fs/bcachefs/alloc_foreground.c:1302 [inline] #3: ffff88806bf1dc78 (&wp->lock){+.+.}-{3:3}, at: bch2_alloc_sectors_start_trans+0x2d5/0x1f60 fs/bcachefs/alloc_foreground.c:1410 #4: ffff88806542d870 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #4: ffff88806542d870 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #5: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #5: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #6: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #6: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #7: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #7: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #8: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #8: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #9: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #9: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #10: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #10: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #11: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #11: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #12: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #12: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #13: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #13: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #14: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #14: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #15: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #15: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #16: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #16: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #17: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #17: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #18: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #18: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #19: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #19: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #20: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #20: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #21: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #21: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #22: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #22: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #23: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #23: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #24: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #24: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #25: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #25: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #26: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #26: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #27: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #27: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #28: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #28: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #29: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #29: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #30: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #30: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #31: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #31: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #32: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #32: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #33: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #33: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #34: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #34: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #35: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #35: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #36: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #36: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #37: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #37: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #38: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline] #38: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:288 [inline] #38: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:757 [inline] #38: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xa44/0x2930 fs/bcachefs/btree_iter.c:1177 #39: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline] #39: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:288 [inline] #39: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:757 [inline] #39: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xa44/0x2930 fs/bcachefs/btree_iter.c:1177 #40: ffff888011bb7e00 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #40: ffff888011bb7e00 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #41: ffff888011bb6070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #41: ffff888011bb6070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #42: ffff888011bb6478 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #42: ffff888011bb6478 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #43: ffff8880797125d0 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #43: ffff8880797125d0 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x142/0x9c0 fs/bcachefs/btree_locking.c:507 #44: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline] #44: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:288 [inline] #44: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:757 [inline] #44: ffff88806542d070 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xa44/0x2930 fs/bcachefs/btree_iter.c:1177 #45: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:327 [inline] #45: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:839 [inline] #45: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: ieee80211_iterate_active_interfaces_atomic+0x2a/0x170 net/mac80211/util.c:807 #46: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:327 [inline] #46: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:839 [inline] #46: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: __ieee80211_beacon_get+0x36/0x15c0 net/mac80211/tx.c:5411 #47: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire include/linux/rcupdate.h:327 [inline] #47: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: rcu_read_lock include/linux/rcupdate.h:839 [inline] #47: ffffffff8e335fe0 (rcu_read_lock){....}-{1:2}, at: is_bpf_text_address+0x26/0x2a0 kernel/bpf/core.c:767 INFO: lockdep is turned off. CPU: 0 PID: 11659 Comm: syz.4.695 Not tainted 6.10.0-syzkaller-04472-g51835949dda3 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/07/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:114 __lock_acquire+0x10c3/0x1fd0 lock_acquire+0x1ed/0x550 kernel/locking/lockdep.c:5753 rcu_lock_acquire include/linux/rcupdate.h:327 [inline] rcu_read_lock include/linux/rcupdate.h:839 [inline] is_bpf_text_address+0x46/0x2a0 kernel/bpf/core.c:767 kernel_text_address+0xa7/0xe0 kernel/extable.c:125 __kernel_text_address+0xd/0x40 kernel/extable.c:79 unwind_get_return_address+0x5d/0xc0 arch/x86/kernel/unwind_orc.c:369 arch_stack_walk+0x125/0x1b0 arch/x86/kernel/stacktrace.c:26 stack_trace_save+0x118/0x1d0 kernel/stacktrace.c:122 kasan_save_stack mm/kasan/common.c:47 [inline] kasan_save_track+0x3f/0x80 mm/kasan/common.c:68 unpoison_slab_object mm/kasan/common.c:312 [inline] __kasan_slab_alloc+0x66/0x80 mm/kasan/common.c:338 kasan_slab_alloc include/linux/kasan.h:201 [inline] slab_post_alloc_hook mm/slub.c:3940 [inline] slab_alloc_node mm/slub.c:4002 [inline] kmem_cache_alloc_node_noprof+0x16b/0x320 mm/slub.c:4045 __alloc_skb+0x1c3/0x440 net/core/skbuff.c:664 __netdev_alloc_skb+0x104/0xa10 net/core/skbuff.c:738 netdev_alloc_skb include/linux/skbuff.h:3348 [inline] dev_alloc_skb include/linux/skbuff.h:3361 [inline] __ieee80211_beacon_get+0x998/0x15c0 net/mac80211/tx.c:5469 ieee80211_beacon_get_tim+0xb4/0x320 net/mac80211/tx.c:5591 ieee80211_beacon_get include/net/mac80211.h:5593 [inline] mac80211_hwsim_beacon_tx+0x39d/0x850 drivers/net/wireless/virtual/mac80211_hwsim.c:2311 __iterate_interfaces+0x223/0x4c0 net/mac80211/util.c:772 ieee80211_iterate_active_interfaces_atomic+0xd8/0x170 net/mac80211/util.c:808 mac80211_hwsim_beacon+0xd4/0x1f0 drivers/net/wireless/virtual/mac80211_hwsim.c:2345 __run_hrtimer kernel/time/hrtimer.c:1689 [inline] __hrtimer_run_queues+0x59b/0xd50 kernel/time/hrtimer.c:1753 hrtimer_run_softirq+0x19a/0x2c0 kernel/time/hrtimer.c:1770 handle_softirqs+0x2c4/0x970 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu+0xf4/0x1c0 kernel/softirq.c:637 irq_exit_rcu+0x9/0x30 kernel/softirq.c:649 instr_sysvec_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1043 [inline] sysvec_apic_timer_interrupt+0xa6/0xc0 arch/x86/kernel/apic/apic.c:1043 asm_sysvec_apic_timer_interrupt+0x1a/0x20 arch/x86/include/asm/idtentry.h:702 RIP: 0010:__sanitizer_cov_trace_switch+0x6/0x120 kernel/kcov.c:317 Code: 20 c3 cc cc cc cc 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 90 f3 0f 1e fa 41 57 <41> 56 41 54 53 4c 8b 16 48 8b 46 08 48 83 c0 f8 48 c1 c0 3d 48 83 RSP: 0018:ffffc900104b51d0 EFLAGS: 00000246 RAX: 0000000000000063 RBX: 0000000000000063 RCX: 0000000000040000 RDX: ffffc9001940c000 RSI: ffffffff8f94ab00 RDI: 0000000000000063 RBP: ffffc900104b52d0 R08: ffffffff8b7c9d87 R09: ffffffff8b7c9fda R10: 0000000000000005 R11: ffff8880726f8000 R12: ffffffff8c11c23c R13: ffffc900104b5260 R14: dffffc0000000000 R15: 0000000000000063 format_decode+0x8bd/0x1bb0 lib/vsprintf.c:2618 vsnprintf+0x14f/0x1da0 lib/vsprintf.c:2776 bch2_prt_printf+0x1b8/0x6d0 fs/bcachefs/printbuf.c:183 bch2_btree_path_to_text_short+0x1e8/0x390 fs/bcachefs/btree_iter.c:1476 __bch2_trans_paths_to_text+0xe5/0x180 fs/bcachefs/btree_iter.c:1541 bch2_trans_update_max_paths+0x16e/0x420 fs/bcachefs/btree_iter.c:1577 btree_path_alloc+0x88a/0xaa0 fs/bcachefs/btree_iter.c:1674 btree_path_clone fs/bcachefs/btree_iter.c:1235 [inline] __bch2_btree_path_make_mut+0x134/0x570 fs/bcachefs/btree_iter.c:1249 bch2_btree_path_make_mut fs/bcachefs/btree_iter.h:196 [inline] __bch2_btree_path_set_pos+0x382/0x1750 fs/bcachefs/btree_iter.c:1264 bch2_btree_path_set_pos fs/bcachefs/btree_iter.h:211 [inline] __bch2_btree_iter_peek fs/bcachefs/btree_iter.c:2176 [inline] bch2_btree_iter_peek_upto+0xb54/0x7090 fs/bcachefs/btree_iter.c:2280 bch2_btree_iter_peek_upto_type fs/bcachefs/btree_iter.h:641 [inline] bch2_bucket_alloc_freelist fs/bcachefs/alloc_foreground.c:491 [inline] bch2_bucket_alloc_trans+0x111d/0x3b30 fs/bcachefs/alloc_foreground.c:649 bch2_bucket_alloc_set_trans+0x4f9/0xcf0 fs/bcachefs/alloc_foreground.c:810 __open_bucket_add_buckets+0x11ed/0x1c80 fs/bcachefs/alloc_foreground.c:1058 open_bucket_add_buckets+0x174/0x230 fs/bcachefs/alloc_foreground.c:1102 bch2_alloc_sectors_start_trans+0xcaf/0x1f60 __bch2_btree_node_alloc fs/bcachefs/btree_update_interior.c:333 [inline] bch2_btree_reserve_get+0x5f5/0x18d0 fs/bcachefs/btree_update_interior.c:547 bch2_btree_update_start+0x1187/0x1500 fs/bcachefs/btree_update_interior.c:1264 bch2_btree_split_leaf+0x12c/0x810 fs/bcachefs/btree_update_interior.c:1851 bch2_trans_commit_error+0x200/0x1210 fs/bcachefs/btree_trans_commit.c:918 __bch2_trans_commit+0x6e6c/0x88e0 fs/bcachefs/btree_trans_commit.c:1138 bch2_trans_commit fs/bcachefs/btree_update.h:170 [inline] bch2_set_quota+0x958/0xdf0 fs/bcachefs/quota.c:872 quota_setquota+0x6dc/0x850 fs/quota/quota.c:310 __do_sys_quotactl fs/quota/quota.c:961 [inline] __se_sys_quotactl+0x2c4/0xa30 fs/quota/quota.c:917 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: 0033:0x7f6750975ad9 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:00007f675176c048 EFLAGS: 00000246 ORIG_RAX: 00000000000000b3 RAX: ffffffffffffffda RBX: 00007f6750b03f60 RCX: 00007f6750975ad9 RDX: 0000000000000000 RSI: 0000000020000040 RDI: ffffffff80000800 RBP: 00007f67509e4e5d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000020000100 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f6750b03f60 R15: 00007ffeb7172aa8 ---------------- Code disassembly (best guess): 0: 20 c3 and %al,%bl 2: cc int3 3: cc int3 4: cc int3 5: cc int3 6: 66 2e 0f 1f 84 00 00 cs nopw 0x0(%rax,%rax,1) d: 00 00 00 10: 0f 1f 40 00 nopl 0x0(%rax) 14: 90 nop 15: 90 nop 16: 90 nop 17: 90 nop 18: 90 nop 19: 90 nop 1a: 90 nop 1b: 90 nop 1c: 90 nop 1d: 90 nop 1e: 90 nop 1f: 90 nop 20: 90 nop 21: 90 nop 22: 90 nop 23: 90 nop 24: f3 0f 1e fa endbr64 28: 41 57 push %r15 * 2a: 41 56 push %r14 <-- trapping instruction 2c: 41 54 push %r12 2e: 53 push %rbx 2f: 4c 8b 16 mov (%rsi),%r10 32: 48 8b 46 08 mov 0x8(%rsi),%rax 36: 48 83 c0 f8 add $0xfffffffffffffff8,%rax 3a: 48 c1 c0 3d rol $0x3d,%rax 3e: 48 rex.W 3f: 83 .byte 0x83