EXT4-fs warning (device sda1): ext4_group_extend:1822: can't shrink FS - resize aborted ===================================================== WARNING: HARDIRQ-safe -> HARDIRQ-unsafe lock order detected 5.15.153-syzkaller #0 Not tainted ----------------------------------------------------- syz-executor.3/4555 [HC0[0]:SC0[2]:HE0:SE0] is trying to acquire: ffff88805c3ee5c0 (&stab->lock){+...}-{2:2}, at: __sock_map_delete net/core/sock_map.c:416 [inline] ffff88805c3ee5c0 (&stab->lock){+...}-{2:2}, at: sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 and this task is already holding: ffffffff8c9142a0 (console_owner){-...}-{0:0}, at: console_lock_spinning_enable+0x2c/0x60 kernel/printk/printk.c:1802 which would create a new lock dependency: (console_owner){-...}-{0:0} -> (&stab->lock){+...}-{2:2} but this new dependency connects a HARDIRQ-irq-safe lock: (console_owner){-...}-{0:0} ... which became HARDIRQ-irq-safe at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 console_trylock_spinning+0x1a5/0x3f0 kernel/printk/printk.c:1896 vprintk_emit+0xa6/0x150 kernel/printk/printk.c:2267 _printk+0xd1/0x111 kernel/printk/printk.c:2293 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 exit_to_user_mode_loop+0x3d/0x130 kernel/entry/common.c:162 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb to a HARDIRQ-irq-unsafe lock: (&stab->lock){+...}-{2:2} ... which became HARDIRQ-irq-unsafe at: ... lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 0xffffffffa00308a6 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run3+0x1d1/0x380 kernel/trace/bpf_trace.c:1918 __traceiter_ext4_es_remove_extent+0x78/0xd0 include/trace/events/ext4.h:2180 trace_ext4_es_remove_extent include/trace/events/ext4.h:2180 [inline] ext4_es_remove_extent+0x4bf/0x530 fs/ext4/extents_status.c:1511 ext4_punch_hole+0x6f5/0xc10 fs/ext4/inode.c:4080 ext4_fallocate+0x30a/0x20c0 fs/ext4/extents.c:4740 vfs_fallocate+0x54a/0x6b0 fs/open.c:308 do_vfs_ioctl+0x2317/0x2b70 fs/ioctl.c:853 __do_sys_ioctl fs/ioctl.c:872 [inline] __se_sys_ioctl+0x81/0x160 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb other info that might help us debug this: Possible interrupt unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&stab->lock); local_irq_disable(); lock(console_owner); lock(&stab->lock); lock(console_owner); *** DEADLOCK *** 4 locks held by syz-executor.3/4555: #0: ffff88814abb0460 (sb_writers#5){.+.+}-{0:0}, at: mnt_want_write_file+0x5a/0x1f0 fs/namespace.c:421 #1: ffffffff8c7fbfe0 (console_lock){+.+.}-{0:0}, at: vprintk_emit+0xa6/0x150 kernel/printk/printk.c:2267 #2: ffffffff8c9142a0 (console_owner){-...}-{0:0}, at: console_lock_spinning_enable+0x2c/0x60 kernel/printk/printk.c:1802 #3: ffffffff8c91f720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x5/0x30 include/linux/rcupdate.h:311 the dependencies between HARDIRQ-irq-safe lock and the holding lock: -> (console_owner){-...}-{0:0} { IN-HARDIRQ-W at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 console_trylock_spinning+0x1a5/0x3f0 kernel/printk/printk.c:1896 vprintk_emit+0xa6/0x150 kernel/printk/printk.c:2267 _printk+0xd1/0x111 kernel/printk/printk.c:2293 local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1085 [inline] __sysvec_apic_timer_interrupt+0x139/0x470 arch/x86/kernel/apic/apic.c:1102 sysvec_apic_timer_interrupt+0x8c/0xb0 arch/x86/kernel/apic/apic.c:1096 asm_sysvec_apic_timer_interrupt+0x16/0x20 arch/x86/include/asm/idtentry.h:638 exit_to_user_mode_loop+0x3d/0x130 kernel/entry/common.c:162 exit_to_user_mode_prepare+0xb1/0x140 kernel/entry/common.c:208 __syscall_exit_to_user_mode_work kernel/entry/common.c:290 [inline] syscall_exit_to_user_mode+0x5d/0x250 kernel/entry/common.c:301 do_syscall_64+0x49/0xb0 arch/x86/entry/common.c:86 entry_SYSCALL_64_after_hwframe+0x61/0xcb INITIAL USE at: } ... key at: [] console_owner_dep_map+0x0/0x80 the dependencies between the lock to be acquired and HARDIRQ-irq-unsafe lock: -> (&stab->lock){+...}-{2:2} { HARDIRQ-ON-W at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 0xffffffffa00308a6 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run3+0x1d1/0x380 kernel/trace/bpf_trace.c:1918 __traceiter_ext4_es_remove_extent+0x78/0xd0 include/trace/events/ext4.h:2180 trace_ext4_es_remove_extent include/trace/events/ext4.h:2180 [inline] ext4_es_remove_extent+0x4bf/0x530 fs/ext4/extents_status.c:1511 ext4_punch_hole+0x6f5/0xc10 fs/ext4/inode.c:4080 ext4_fallocate+0x30a/0x20c0 fs/ext4/extents.c:4740 vfs_fallocate+0x54a/0x6b0 fs/open.c:308 do_vfs_ioctl+0x2317/0x2b70 fs/ioctl.c:853 __do_sys_ioctl fs/ioctl.c:872 [inline] __se_sys_ioctl+0x81/0x160 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb INITIAL USE at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 0xffffffffa00308a6 bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run3+0x1d1/0x380 kernel/trace/bpf_trace.c:1918 __traceiter_ext4_es_remove_extent+0x78/0xd0 include/trace/events/ext4.h:2180 trace_ext4_es_remove_extent include/trace/events/ext4.h:2180 [inline] ext4_es_remove_extent+0x4bf/0x530 fs/ext4/extents_status.c:1511 ext4_punch_hole+0x6f5/0xc10 fs/ext4/inode.c:4080 ext4_fallocate+0x30a/0x20c0 fs/ext4/extents.c:4740 vfs_fallocate+0x54a/0x6b0 fs/open.c:308 do_vfs_ioctl+0x2317/0x2b70 fs/ioctl.c:853 __do_sys_ioctl fs/ioctl.c:872 [inline] __se_sys_ioctl+0x81/0x160 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb } ... key at: [] sock_map_alloc.__key+0x0/0x20 ... acquired at: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 bpf_prog_2c29ac5cdc6b1842+0x3a/0x60c bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1917 trace_console_rcuidle include/trace/events/printk.h:10 [inline] call_console_drivers kernel/printk/printk.c:1926 [inline] console_unlock+0x10a2/0x12b0 kernel/printk/printk.c:2738 vprintk_emit+0xbf/0x150 kernel/printk/printk.c:2268 _printk+0xd1/0x111 kernel/printk/printk.c:2293 __ext4_warning+0x200/0x210 fs/ext4/super.c:931 ext4_group_extend+0x32d/0x630 fs/ext4/resize.c:1822 __ext4_ioctl fs/ext4/ioctl.c:937 [inline] ext4_ioctl+0x26fb/0x5b80 fs/ext4/ioctl.c:1276 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb stack backtrace: CPU: 1 PID: 4555 Comm: syz-executor.3 Not tainted 5.15.153-syzkaller #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+0x1e3/0x2cb lib/dump_stack.c:106 print_bad_irq_dependency kernel/locking/lockdep.c:2567 [inline] check_irq_usage kernel/locking/lockdep.c:2806 [inline] check_prev_add kernel/locking/lockdep.c:3057 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain+0x4d01/0x5930 kernel/locking/lockdep.c:3788 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __raw_spin_lock_bh include/linux/spinlock_api_smp.h:135 [inline] _raw_spin_lock_bh+0x31/0x40 kernel/locking/spinlock.c:178 __sock_map_delete net/core/sock_map.c:416 [inline] sock_map_delete_elem+0x97/0x130 net/core/sock_map.c:448 bpf_prog_2c29ac5cdc6b1842+0x3a/0x60c bpf_dispatcher_nop_func include/linux/bpf.h:785 [inline] __bpf_prog_run include/linux/filter.h:628 [inline] bpf_prog_run include/linux/filter.h:635 [inline] __bpf_trace_run kernel/trace/bpf_trace.c:1880 [inline] bpf_trace_run2+0x19e/0x340 kernel/trace/bpf_trace.c:1917 trace_console_rcuidle include/trace/events/printk.h:10 [inline] call_console_drivers kernel/printk/printk.c:1926 [inline] console_unlock+0x10a2/0x12b0 kernel/printk/printk.c:2738 vprintk_emit+0xbf/0x150 kernel/printk/printk.c:2268 _printk+0xd1/0x111 kernel/printk/printk.c:2293 __ext4_warning+0x200/0x210 fs/ext4/super.c:931 ext4_group_extend+0x32d/0x630 fs/ext4/resize.c:1822 __ext4_ioctl fs/ext4/ioctl.c:937 [inline] ext4_ioctl+0x26fb/0x5b80 fs/ext4/ioctl.c:1276 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f635f6d5e69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f635dc480c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f635f803f80 RCX: 00007f635f6d5e69 RDX: 0000000020001412 RSI: 0000000040086607 RDI: 0000000000000006 RBP: 00007f635f72247a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f635f803f80 R15: 00007ffe302c8be8 ------------[ cut here ]------------ raw_local_irq_restore() called with IRQs enabled WARNING: CPU: 1 PID: 4555 at kernel/locking/irqflag-debug.c:10 warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10 Modules linked in: CPU: 1 PID: 4555 Comm: syz-executor.3 Not tainted 5.15.153-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 03/27/2024 RIP: 0010:warn_bogus_irq_restore+0x1d/0x20 kernel/locking/irqflag-debug.c:10 Code: 24 48 c7 c7 a0 d1 89 8a e8 6c d1 fe ff 80 3d fc 56 b4 03 00 74 01 c3 c6 05 f2 56 b4 03 01 48 c7 c7 80 0c 8b 8a e8 13 ec 2f f7 <0f> 0b c3 41 56 53 48 83 ec 10 65 48 8b 04 25 28 00 00 00 48 89 44 RSP: 0018:ffffc90002cd7418 EFLAGS: 00010246 RAX: ff7f2b79a0d4d400 RBX: 0000000000000200 RCX: 0000000000040000 RDX: ffffc90004a51000 RSI: 00000000000297d0 RDI: 00000000000297d1 RBP: ffffc90002cd76b0 R08: ffffffff8166661c R09: fffffbfff1922849 R10: 0000000000000000 R11: dffffc0000000001 R12: 1ffffffff1a49a9a R13: ffffffff8d24d508 R14: 0000000000000000 R15: dffffc0000000000 FS: 00007f635dc486c0(0000) GS:ffff8880b9b00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b2f422000 CR3: 00000000616d8000 CR4: 00000000003506e0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: console_unlock+0xe43/0x12b0 kernel/printk/printk.c:2742 vprintk_emit+0xbf/0x150 kernel/printk/printk.c:2268 _printk+0xd1/0x111 kernel/printk/printk.c:2293 __ext4_warning+0x200/0x210 fs/ext4/super.c:931 ext4_group_extend+0x32d/0x630 fs/ext4/resize.c:1822 __ext4_ioctl fs/ext4/ioctl.c:937 [inline] ext4_ioctl+0x26fb/0x5b80 fs/ext4/ioctl.c:1276 vfs_ioctl fs/ioctl.c:51 [inline] __do_sys_ioctl fs/ioctl.c:874 [inline] __se_sys_ioctl+0xf1/0x160 fs/ioctl.c:860 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3d/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x61/0xcb RIP: 0033:0x7f635f6d5e69 Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 e1 20 00 00 90 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 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f635dc480c8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 RAX: ffffffffffffffda RBX: 00007f635f803f80 RCX: 00007f635f6d5e69 RDX: 0000000020001412 RSI: 0000000040086607 RDI: 0000000000000006 RBP: 00007f635f72247a R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 000000000000000b R14: 00007f635f803f80 R15: 00007ffe302c8be8