BUG: MAX_LOCK_DEPTH too low! turning off the locking correctness validator. depth: 48 max: 48! 48 locks held by syz.0.3388/19177: #0: ffff88806ff40420 (sb_writers#13){.+.+}-{0:0}, at: do_sys_ftruncate fs/open.c:199 [inline] #0: ffff88806ff40420 (sb_writers#13){.+.+}-{0:0}, at: __do_sys_ftruncate fs/open.c:207 [inline] #0: ffff88806ff40420 (sb_writers#13){.+.+}-{0:0}, at: __se_sys_ftruncate fs/open.c:205 [inline] #0: ffff88806ff40420 (sb_writers#13){.+.+}-{0:0}, at: __x64_sys_ftruncate+0xa9/0x110 fs/open.c:205 #1: ffff888061728150 (&sb->s_type->i_mutex_key#34){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:791 [inline] #1: ffff888061728150 (&sb->s_type->i_mutex_key#34){+.+.}-{3:3}, at: do_truncate+0x14b/0x220 fs/open.c:63 #2: ffff888053c80ab8 (&c->snapshot_create_lock){.+.+}-{3:3}, at: bch2_truncate+0x128/0x220 fs/bcachefs/io_misc.c:290 #3: ffff888053c842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_lock_acquire include/linux/srcu.h:116 [inline] #3: ffff888053c842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: srcu_read_lock include/linux/srcu.h:215 [inline] #3: ffff888053c842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: bch2_trans_srcu_lock fs/bcachefs/btree_iter.c:3021 [inline] #3: ffff888053c842d8 (&c->btree_trans_barrier){.+.+}-{0:0}, at: bch2_btree_path_traverse_one+0x255d/0x2dd0 fs/bcachefs/btree_iter.c:1141 #4: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #4: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x121/0xa40 fs/bcachefs/btree_locking.c:507 #5: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: btree_node_lock_increment fs/bcachefs/btree_locking.h:248 [inline] #5: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x6e0/0xa40 fs/bcachefs/btree_locking.c:509 #6: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: btree_node_lock_increment fs/bcachefs/btree_locking.h:248 [inline] #6: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x6e0/0xa40 fs/bcachefs/btree_locking.c:509 #7: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: btree_node_lock_increment fs/bcachefs/btree_locking.h:248 [inline] #7: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x6e0/0xa40 fs/bcachefs/btree_locking.c:509 #8: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: btree_node_lock_increment fs/bcachefs/btree_locking.h:248 [inline] #8: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x6e0/0xa40 fs/bcachefs/btree_locking.c:509 #9: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: btree_node_lock_increment fs/bcachefs/btree_locking.h:248 [inline] #9: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x6e0/0xa40 fs/bcachefs/btree_locking.c:509 #10: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: btree_node_lock_increment fs/bcachefs/btree_locking.h:248 [inline] #10: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x6e0/0xa40 fs/bcachefs/btree_locking.c:509 #11: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: btree_node_lock_increment fs/bcachefs/btree_locking.h:248 [inline] #11: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x6e0/0xa40 fs/bcachefs/btree_locking.c:509 #12: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: btree_node_lock_increment fs/bcachefs/btree_locking.h:248 [inline] #12: ffff888060f00070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x6e0/0xa40 fs/bcachefs/btree_locking.c:509 #13: ffff888055e60070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #13: ffff888055e60070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x121/0xa40 fs/bcachefs/btree_locking.c:507 #14: ffff888055e601c8 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #14: ffff888055e601c8 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x121/0xa40 fs/bcachefs/btree_locking.c:507 #15: ffff888055e60320 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #15: ffff888055e60320 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x121/0xa40 fs/bcachefs/btree_locking.c:507 #16: ffff888055e60478 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #16: ffff888055e60478 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x121/0xa40 fs/bcachefs/btree_locking.c:507 #17: ffff888055e605d0 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #17: ffff888055e605d0 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x121/0xa40 fs/bcachefs/btree_locking.c:507 #18: ffff888055e60728 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #18: ffff888055e60728 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x121/0xa40 fs/bcachefs/btree_locking.c:507 #19: ffff888055e60880 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #19: ffff888055e60880 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x121/0xa40 fs/bcachefs/btree_locking.c:507 #20: ffff888055e609d8 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #20: ffff888055e609d8 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x121/0xa40 fs/bcachefs/btree_locking.c:507 #21: ffff88807d292870 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline] #21: ffff88807d292870 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:266 [inline] #21: ffff88807d292870 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:757 [inline] #21: ffff88807d292870 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xc3c/0x2dd0 fs/bcachefs/btree_iter.c:1177 #22: ffff88807d295070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #22: ffff88807d295070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x121/0xa40 fs/bcachefs/btree_locking.c:507 #23: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline] #23: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:266 [inline] #23: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:757 [inline] #23: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xc3c/0x2dd0 fs/bcachefs/btree_iter.c:1177 #24: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline] #24: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:266 [inline] #24: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:757 [inline] #24: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xc3c/0x2dd0 fs/bcachefs/btree_iter.c:1177 #25: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline] #25: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:266 [inline] #25: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:757 [inline] #25: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xc3c/0x2dd0 fs/bcachefs/btree_iter.c:1177 #26: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline] #26: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:266 [inline] #26: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:757 [inline] #26: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xc3c/0x2dd0 fs/bcachefs/btree_iter.c:1177 #27: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline] #27: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:266 [inline] #27: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: btree_path_lock_root fs/bcachefs/btree_iter.c:757 [inline] #27: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_one+0xc3c/0x2dd0 fs/bcachefs/btree_iter.c:1177 #28: ffff88802ee8a070 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #28: ffff88802ee8a070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x121/0xa40 fs/bcachefs/btree_locking.c:507 #29: ffff88802ee8a070 (&dev->mutex){....}-{3:3}, at: btree_node_lock_increment fs/bcachefs/btree_locking.h:248 [inline] #29: ffff88802ee8a070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x6e0/0xa40 fs/bcachefs/btree_locking.c:509 #30: ffff88802ee8a070 (&dev->mutex){....}-{3:3}, at: btree_node_lock_increment fs/bcachefs/btree_locking.h:248 [inline] #30: ffff88802ee8a070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x6e0/0xa40 fs/bcachefs/btree_locking.c:509 #31: ffff88802ee8a070 (&dev->mutex){....}-{3:3}, at: btree_node_lock_increment fs/bcachefs/btree_locking.h:248 [inline] #31: ffff88802ee8a070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x6e0/0xa40 fs/bcachefs/btree_locking.c:509 #32: ffff88802ee8a070 (&dev->mutex){....}-{3:3}, at: btree_node_lock_increment fs/bcachefs/btree_locking.h:248 [inline] #32: ffff88802ee8a070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x6e0/0xa40 fs/bcachefs/btree_locking.c:509 #33: ffff88802ee8a070 (&dev->mutex){....}-{3:3}, at: btree_node_lock_increment fs/bcachefs/btree_locking.h:248 [inline] #33: ffff88802ee8a070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x6e0/0xa40 fs/bcachefs/btree_locking.c:509 #34: ffff88802ee8a070 (&dev->mutex){....}-{3:3}, at: btree_node_lock_increment fs/bcachefs/btree_locking.h:248 [inline] #34: ffff88802ee8a070 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x6e0/0xa40 fs/bcachefs/btree_locking.c:509 #35: ffff88806bee3870 (&dev->mutex){....}-{3:3}, at: six_relock_type fs/bcachefs/six.h:289 [inline] #35: ffff88806bee3870 (&dev->mutex){....}-{3:3}, at: __bch2_btree_node_relock+0x121/0xa40 fs/bcachefs/btree_locking.c:507 #36: ffff888053ca6750 (&c->gc_lock){.+.+}-{3:3}, at: bch2_btree_update_start+0x821/0x1f50 fs/bcachefs/btree_update_interior.c:1195 #37: ffff888061678728 (&dev->mutex){....}-{3:3}, at: six_trylock_type fs/bcachefs/six.h:207 [inline] #37: ffff888061678728 (&dev->mutex){....}-{3:3}, at: btree_node_lock fs/bcachefs/btree_locking.h:266 [inline] #37: ffff888061678728 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_cached+0x472/0xdc0 fs/bcachefs/btree_key_cache.c:567 #38: ffff888053c9dc78 (&wp->lock){+.+.}-{3:3}, at: bch2_trans_mutex_lock_norelock fs/bcachefs/alloc_foreground.c:41 [inline] #38: ffff888053c9dc78 (&wp->lock){+.+.}-{3:3}, at: writepoint_find fs/bcachefs/alloc_foreground.c:1302 [inline] #38: ffff888053c9dc78 (&wp->lock){+.+.}-{3:3}, at: bch2_alloc_sectors_start_trans+0x115f/0x1ba0 fs/bcachefs/alloc_foreground.c:1410 #39: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: btree_path_copy fs/bcachefs/btree_iter.c:1228 [inline] #39: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: btree_path_clone fs/bcachefs/btree_iter.c:1236 [inline] #39: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: __bch2_btree_path_make_mut+0xbca/0x1000 fs/bcachefs/btree_iter.c:1249 #40: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: btree_path_copy fs/bcachefs/btree_iter.c:1228 [inline] #40: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: btree_path_clone fs/bcachefs/btree_iter.c:1236 [inline] #40: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: __bch2_btree_path_make_mut+0xbca/0x1000 fs/bcachefs/btree_iter.c:1249 #41: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: btree_path_copy fs/bcachefs/btree_iter.c:1228 [inline] #41: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: btree_path_clone fs/bcachefs/btree_iter.c:1236 [inline] #41: ffff88806bee2870 (&dev->mutex){....}-{3:3}, at: __bch2_btree_path_make_mut+0xbca/0x1000 fs/bcachefs/btree_iter.c:1249 #42: ffff8880616789d8 (&dev->mutex){....}-{3:3}, at: six_trylock_intent fs/bcachefs/six.h:366 [inline] #42: ffff8880616789d8 (&dev->mutex){....}-{3:3}, at: bkey_cached_alloc fs/bcachefs/btree_key_cache.c:290 [inline] #42: ffff8880616789d8 (&dev->mutex){....}-{3:3}, at: btree_key_cache_create fs/bcachefs/btree_key_cache.c:330 [inline] #42: ffff8880616789d8 (&dev->mutex){....}-{3:3}, at: bch2_btree_path_traverse_cached_slowpath+0x20ff/0x4d90 fs/bcachefs/btree_key_cache.c:485 #43: ffff888053c84ba8 (&c->freelist_lock){+.+.}-{2:2}, at: spin_lock include/linux/spinlock.h:351 [inline] #43: ffff888053c84ba8 (&c->freelist_lock){+.+.}-{2:2}, at: __try_alloc_bucket+0x3d6/0x1000 fs/bcachefs/alloc_foreground.c:235 #44: ffffffff8dbb57c0 (rcu_callback){....}-{0:0}, at: rcu_lock_acquire include/linux/rcupdate.h:329 [inline] #44: ffffffff8dbb57c0 (rcu_callback){....}-{0:0}, at: rcu_do_batch kernel/rcu/tree.c:2529 [inline] #44: ffffffff8dbb57c0 (rcu_callback){....}-{0:0}, at: rcu_core+0x7cc/0x16b0 kernel/rcu/tree.c:2809 #45: ffff8880b9344b18 (&pcp->lock){+.+.}-{2:2}, at: spin_trylock include/linux/spinlock.h:361 [inline] #45: ffff8880b9344b18 (&pcp->lock){+.+.}-{2:2}, at: free_unref_page+0x39d/0xe40 mm/page_alloc.c:2609 #46: ffff88813fffad58 (&zone->lock){-.-.}-{2:2}, at: free_pcppages_bulk+0x6b/0x620 mm/page_alloc.c:1158 #47: ffff88813fffa810 (&____s->seqcount){.-.-}-{0:0}, at: __free_one_page+0x10e/0xb30 mm/page_alloc.c:778 INFO: lockdep is turned off. CPU: 1 PID: 19177 Comm: syz.0.3388 Not tainted 6.10.0-rc6-syzkaller-00215-g22f902dfc51e #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+0x116/0x1f0 lib/dump_stack.c:114 __lock_acquire+0x207c/0x3b30 kernel/locking/lockdep.c:5159 lock_acquire kernel/locking/lockdep.c:5754 [inline] lock_acquire+0x1b1/0x560 kernel/locking/lockdep.c:5719 seqcount_lockdep_reader_access include/linux/seqlock.h:72 [inline] read_seqbegin include/linux/seqlock.h:772 [inline] zone_span_seqbegin include/linux/memory_hotplug.h:151 [inline] page_outside_zone_boundaries mm/page_alloc.c:434 [inline] bad_range+0xaa/0x440 mm/page_alloc.c:453 __free_one_page+0x10e/0xb30 mm/page_alloc.c:778 free_pcppages_bulk+0x2f1/0x620 mm/page_alloc.c:1186 free_unref_page_commit+0x515/0xfe0 mm/page_alloc.c:2563 free_unref_page+0x74d/0xe40 mm/page_alloc.c:2611 rcu_do_batch kernel/rcu/tree.c:2535 [inline] rcu_core+0x82b/0x16b0 kernel/rcu/tree.c:2809 handle_softirqs+0x219/0x8f0 kernel/softirq.c:554 __do_softirq kernel/softirq.c:588 [inline] invoke_softirq kernel/softirq.c:428 [inline] __irq_exit_rcu kernel/softirq.c:637 [inline] irq_exit_rcu+0xbb/0x120 kernel/softirq.c:649 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:lock_acquire+0x1f2/0x560 kernel/locking/lockdep.c:5722 Code: c1 05 1a 63 95 7e 83 f8 01 0f 85 ea 02 00 00 9c 58 f6 c4 02 0f 85 d5 02 00 00 48 85 ed 74 01 fb 48 b8 00 00 00 00 00 fc ff df <48> 01 c3 48 c7 03 00 00 00 00 48 c7 43 08 00 00 00 00 48 8b 84 24 RSP: 0018:ffffc90004675bf8 EFLAGS: 00000206 RAX: dffffc0000000000 RBX: 1ffff920008ceb81 RCX: 0000000000000001 RDX: 0000000000000001 RSI: ffffffff8b2cc440 RDI: ffffffff8b902240 RBP: 0000000000000200 R08: 0000000000000000 R09: fffffbfff284fa79 R10: ffffffff9427d3cf R11: 0000000000000001 R12: 0000000000000001 R13: 0000000000000000 R14: ffff888053c84ba8 R15: 0000000000000000 __raw_spin_lock include/linux/spinlock_api_smp.h:133 [inline] _raw_spin_lock+0x2e/0x40 kernel/locking/spinlock.c:154 spin_lock include/linux/spinlock.h:351 [inline] __try_alloc_bucket+0x3d6/0x1000 fs/bcachefs/alloc_foreground.c:235 try_alloc_bucket+0xa3c/0xca0 fs/bcachefs/alloc_foreground.c:364 bch2_bucket_alloc_freelist+0xab4/0x1090 fs/bcachefs/alloc_foreground.c:527 bch2_bucket_alloc_trans+0x704/0xb20 fs/bcachefs/alloc_foreground.c:649 bch2_bucket_alloc_set_trans+0x466/0xd40 fs/bcachefs/alloc_foreground.c:810 __open_bucket_add_buckets+0x991/0x12f0 fs/bcachefs/alloc_foreground.c:1058 open_bucket_add_buckets+0x116/0x200 fs/bcachefs/alloc_foreground.c:1102 bch2_alloc_sectors_start_trans+0xa41/0x1ba0 fs/bcachefs/alloc_foreground.c:1457 __bch2_btree_node_alloc+0x718/0xe20 fs/bcachefs/btree_update_interior.c:333 bch2_btree_reserve_get+0x21d/0x330 fs/bcachefs/btree_update_interior.c:547 bch2_btree_update_start+0x12a6/0x1f50 fs/bcachefs/btree_update_interior.c:1245 bch2_btree_split_leaf+0xc9/0x770 fs/bcachefs/btree_update_interior.c:1851 bch2_trans_commit_error+0x327/0xd00 fs/bcachefs/btree_trans_commit.c:918 __bch2_trans_commit+0x4eb3/0x7ad0 fs/bcachefs/btree_trans_commit.c:1138 bch2_trans_commit fs/bcachefs/btree_update.h:170 [inline] bch2_extent_update+0x494/0xa40 fs/bcachefs/io_write.c:326 bch2_fpunch_at+0x7e6/0xbc0 fs/bcachefs/io_misc.c:184 __bch2_resume_logged_op_truncate+0x4ce/0x7a0 fs/bcachefs/io_misc.c:260 bch2_truncate+0x1e1/0x220 fs/bcachefs/io_misc.c:291 bchfs_truncate+0x90c/0xd70 fs/bcachefs/fs-io.c:476 bch2_setattr+0x1ab/0x250 fs/bcachefs/fs.c:926 notify_change+0x745/0x11f0 fs/attr.c:497 do_truncate+0x15c/0x220 fs/open.c:65 do_ftruncate+0x5e5/0x720 fs/open.c:181 do_sys_ftruncate fs/open.c:199 [inline] __do_sys_ftruncate fs/open.c:207 [inline] __se_sys_ftruncate fs/open.c:205 [inline] __x64_sys_ftruncate+0xa9/0x110 fs/open.c:205 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xcd/0x250 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff15a575bd9 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:00007ff15b28f048 EFLAGS: 00000246 ORIG_RAX: 000000000000004d RAX: ffffffffffffffda RBX: 00007ff15a703f60 RCX: 00007ff15a575bd9 RDX: 0000000000000000 RSI: 0000000000000400 RDI: 0000000000000005 RBP: 00007ff15a5e4aa1 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007ff15a703f60 R15: 00007ffd86f9a638 ---------------- Code disassembly (best guess): 0: c1 05 1a 63 95 7e 83 roll $0x83,0x7e95631a(%rip) # 0x7e956321 7: f8 clc 8: 01 0f add %ecx,(%rdi) a: 85 ea test %ebp,%edx c: 02 00 add (%rax),%al e: 00 9c 58 f6 c4 02 0f add %bl,0xf02c4f6(%rax,%rbx,2) 15: 85 d5 test %edx,%ebp 17: 02 00 add (%rax),%al 19: 00 48 85 add %cl,-0x7b(%rax) 1c: ed in (%dx),%eax 1d: 74 01 je 0x20 1f: fb sti 20: 48 b8 00 00 00 00 00 movabs $0xdffffc0000000000,%rax 27: fc ff df * 2a: 48 01 c3 add %rax,%rbx <-- trapping instruction 2d: 48 c7 03 00 00 00 00 movq $0x0,(%rbx) 34: 48 c7 43 08 00 00 00 movq $0x0,0x8(%rbx) 3b: 00 3c: 48 rex.W 3d: 8b .byte 0x8b 3e: 84 .byte 0x84 3f: 24 .byte 0x24