WARNING: CPU: 0 PID: 2759 at include/linux/backing-dev.h:340 inode_to_wb include/linux/backing-dev.h:340 [inline] WARNING: CPU: 0 PID: 2759 at include/linux/backing-dev.h:340 account_page_dirtied+0x8cc/0xbb0 mm/page-writeback.c:2420 Kernel panic - not syncing: panic_on_warn set ... CPU: 0 PID: 2759 Comm: segctord Not tainted 4.19.211-syzkaller #0 WARNING: CPU: 1 PID: 2760 at include/linux/backing-dev.h:340 inode_to_wb include/linux/backing-dev.h:340 [inline] WARNING: CPU: 1 PID: 2760 at include/linux/backing-dev.h:340 __test_set_page_writeback+0x1366/0x1750 mm/page-writeback.c:2783 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1fc/0x2ef lib/dump_stack.c:118 panic+0x26a/0x50e kernel/panic.c:186 Modules linked in: CPU: 1 PID: 2760 Comm: segctord Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 RIP: 0010:inode_to_wb include/linux/backing-dev.h:340 [inline] RIP: 0010:__test_set_page_writeback+0x1366/0x1750 mm/page-writeback.c:2783 Code: ff ff ff 48 8d 78 70 e8 98 8c ca ff 31 ff 89 c6 89 44 24 18 e8 9b 5e e2 ff 8b 44 24 18 85 c0 0f 85 47 fb ff ff e8 1a 5d e2 ff <0f> 0b e9 3b fb ff ff e8 0e 5d e2 ff 4c 8b 74 24 08 49 83 ee 01 e9 RSP: 0018:ffff88803db3fa88 EFLAGS: 00010093 RAX: ffff88809d838640 RBX: ffff8880403ed118 RCX: ffffffff81802845 __warn.cold+0x20/0x5a kernel/panic.c:541 RDX: 0000000000000000 RSI: ffffffff81802856 RDI: 0000000000000005 RBP: ffffea00027b9900 R08: 0000000000000001 R09: 0000000000000000 report_bug+0x262/0x2b0 lib/bug.c:183 R10: 0000000000000005 R11: 0000000000000000 R12: 0000000000000000 fixup_bug arch/x86/kernel/traps.c:178 [inline] fixup_bug arch/x86/kernel/traps.c:173 [inline] do_error_trap+0x1d7/0x310 arch/x86/kernel/traps.c:296 R13: 0000000000000000 R14: ffff8880403ed2a8 R15: ffff8880403ed120 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005610f449da30 CR3: 000000009c29d000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: set_page_writeback include/linux/page-flags.h:497 [inline] nilfs_begin_page_io+0x18a/0x250 fs/nilfs2/segment.c:1639 invalid_op+0x14/0x20 arch/x86/entry/entry_64.S:1038 nilfs_segctor_prepare_write fs/nilfs2/segment.c:1678 [inline] nilfs_segctor_do_construct+0x45e9/0x8360 fs/nilfs2/segment.c:2065 RIP: 0010:inode_to_wb include/linux/backing-dev.h:340 [inline] RIP: 0010:account_page_dirtied+0x8cc/0xbb0 mm/page-writeback.c:2420 Code: 88 01 00 00 be ff ff ff ff 48 8d 78 70 e8 ec e1 ca ff 31 ff 89 c3 89 c6 e8 f1 b3 e2 ff 85 db 0f 85 39 f9 ff ff e8 74 b2 e2 ff <0f> 0b e9 2d f9 ff ff e8 68 b2 e2 ff 4c 89 e6 4c 89 ef e8 9d b3 2d RSP: 0018:ffff88808cbbf7e8 EFLAGS: 00010093 RAX: ffff8880508f6300 RBX: 0000000000000000 RCX: ffffffff817fd2ef RDX: 0000000000000000 RSI: ffffffff817fd2fc RDI: 0000000000000005 RBP: ffff8880402a5630 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffffea00026c4d80 nilfs_segctor_construct+0x764/0xae0 fs/nilfs2/segment.c:2372 R13: ffff8880402a54a8 R14: ffff8880402a5320 R15: ffffea00026c4d88 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2480 [inline] nilfs_segctor_thread+0x3cb/0xf50 fs/nilfs2/segment.c:2563 __set_page_dirty+0x7f/0x3e0 fs/buffer.c:582 mark_buffer_dirty+0x424/0x5c0 fs/buffer.c:1111 nilfs_btnode_commit_change_key+0xda/0x2c0 fs/nilfs2/btnode.c:255 nilfs_btree_commit_update_v+0x2f3/0x3e0 fs/nilfs2/btree.c:1942 nilfs_btree_commit_propagate_v fs/nilfs2/btree.c:2013 [inline] nilfs_btree_propagate_v fs/nilfs2/btree.c:2043 [inline] nilfs_btree_propagate+0x616/0xd80 fs/nilfs2/btree.c:2085 kthread+0x33f/0x460 kernel/kthread.c:259 nilfs_bmap_propagate+0x73/0x170 fs/nilfs2/bmap.c:337 nilfs_collect_file_data+0x45/0xd0 fs/nilfs2/segment.c:573 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 nilfs_segctor_apply_buffers+0x14a/0x490 fs/nilfs2/segment.c:1014 irq event stamp: 340 hardirqs last enabled at (339): [] mod_lruvec_page_state include/linux/memcontrol.h:713 [inline] hardirqs last enabled at (339): [] dec_lruvec_page_state include/linux/memcontrol.h:1215 [inline] hardirqs last enabled at (339): [] clear_page_dirty_for_io+0xb3b/0xee0 mm/page-writeback.c:2699 nilfs_segctor_scan_file+0x3f4/0x6f0 fs/nilfs2/segment.c:1063 hardirqs last disabled at (340): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (340): [] _raw_spin_lock_irqsave+0x66/0xc0 kernel/locking/spinlock.c:152 softirqs last enabled at (188): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (183): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (183): [] irq_exit+0x215/0x260 kernel/softirq.c:412 nilfs_segctor_collect_blocks fs/nilfs2/segment.c:1170 [inline] nilfs_segctor_collect fs/nilfs2/segment.c:1494 [inline] nilfs_segctor_do_construct+0x242b/0x8360 fs/nilfs2/segment.c:2036 ---[ end trace 7d39b25330077a98 ]--- WARNING: CPU: 1 PID: 2760 at include/linux/backing-dev.h:340 inode_to_wb include/linux/backing-dev.h:340 [inline] WARNING: CPU: 1 PID: 2760 at include/linux/backing-dev.h:340 test_clear_page_writeback+0xeab/0x1300 mm/page-writeback.c:2731 Modules linked in: CPU: 1 PID: 2760 Comm: segctord Tainted: G W 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 RIP: 0010:inode_to_wb include/linux/backing-dev.h:340 [inline] RIP: 0010:test_clear_page_writeback+0xeab/0x1300 mm/page-writeback.c:2731 Code: 78 70 48 89 44 24 18 e8 e3 fc c9 ff 31 ff 89 c6 89 44 24 18 e8 e6 ce e1 ff 8b 44 24 18 85 c0 0f 85 f4 f6 ff ff e8 65 cd e1 ff <0f> 0b e9 e8 f6 ff ff e8 59 cd e1 ff 49 8d 6c 24 ff e9 0e fe ff ff nilfs_segctor_construct+0x764/0xae0 fs/nilfs2/segment.c:2372 RSP: 0018:ffff88803db3fa58 EFLAGS: 00010093 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2480 [inline] nilfs_segctor_thread+0x3cb/0xf50 fs/nilfs2/segment.c:2563 RAX: ffff88809d838640 RBX: ffff8880403ed118 RCX: ffffffff8180b7fa RDX: 0000000000000000 RSI: ffffffff8180b80b RDI: 0000000000000005 RBP: ffffea00027b9900 R08: 0000000000000001 R09: 0000000000000000 R10: 0000000000000005 R11: 0000000000000000 R12: ffff88813be824c0 R13: ffff8880b59f68c0 R14: 0000000000000001 R15: ffff8880403ed120 FS: 0000000000000000(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00005610f449da30 CR3: 000000009c29d000 CR4: 00000000003406e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: kthread+0x33f/0x460 kernel/kthread.c:259 end_page_writeback+0x1b3/0x410 mm/filemap.c:1252 nilfs_end_page_io+0x415/0x800 fs/nilfs2/segment.c:1737 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 nilfs_segctor_complete_write fs/nilfs2/segment.c:1866 [inline] nilfs_segctor_wait fs/nilfs2/segment.c:1920 [inline] nilfs_segctor_do_construct+0x306b/0x8360 fs/nilfs2/segment.c:2083 nilfs_segctor_construct+0x764/0xae0 fs/nilfs2/segment.c:2372 nilfs_segctor_thread_construct fs/nilfs2/segment.c:2480 [inline] nilfs_segctor_thread+0x3cb/0xf50 fs/nilfs2/segment.c:2563 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 irq event stamp: 578 hardirqs last enabled at (577): [] mod_lruvec_state include/linux/memcontrol.h:687 [inline] hardirqs last enabled at (577): [] dec_lruvec_state include/linux/memcontrol.h:1203 [inline] hardirqs last enabled at (577): [] test_clear_page_writeback+0xcef/0x1300 mm/page-writeback.c:2753 hardirqs last disabled at (578): [] __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:108 [inline] hardirqs last disabled at (578): [] _raw_spin_lock_irqsave+0x66/0xc0 kernel/locking/spinlock.c:152 softirqs last enabled at (492): [] __do_softirq+0x678/0x980 kernel/softirq.c:318 softirqs last disabled at (343): [] invoke_softirq kernel/softirq.c:372 [inline] softirqs last disabled at (343): [] irq_exit+0x215/0x260 kernel/softirq.c:412 ---[ end trace 7d39b25330077a99 ]--- Kernel Offset: disabled Rebooting in 86400 seconds..