IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready device hsr_slave_0 entered promiscuous mode device hsr_slave_1 entered promiscuous mode IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready INFO: task syz-executor.5:28968 blocked for more than 140 seconds. Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D25680 28968 28265 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 schedule_preempt_disabled+0xf/0x20 kernel/sched/core.c:3619 __mutex_lock_common kernel/locking/mutex.c:1016 [inline] __mutex_lock+0x5f0/0x1190 kernel/locking/mutex.c:1078 f2fs_balance_fs+0x709/0xd80 fs/f2fs/segment.c:512 f2fs_setattr+0x5b6/0x12b0 fs/f2fs/file.c:852 notify_change+0x70b/0xfc0 fs/attr.c:334 bridge0: port 2(bridge_slave_1) entered blocking state bridge0: port 2(bridge_slave_1) entered forwarding state bridge0: port 1(bridge_slave_0) entered blocking state bridge0: port 1(bridge_slave_0) entered forwarding state do_truncate+0x134/0x1f0 fs/open.c:63 handle_truncate fs/namei.c:3009 [inline] do_last fs/namei.c:3427 [inline] path_openat+0x2308/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f61a471f0f9 Code: Bad RIP value. RSP: 002b:00007f619e84f168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f61a483f120 RCX: 00007f61a471f0f9 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000020000040 RBP: 00007f61a477aae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff783d544f R14: 00007f619e84f300 R15: 0000000000022000 INFO: task syz-executor.5:28969 blocked for more than 140 seconds. bridge0: port 1(bridge_slave_0) entered disabled state Not tainted 4.19.211-syzkaller #0 "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. syz-executor.5 D27344 28969 28265 0x00000004 Call Trace: context_switch kernel/sched/core.c:2828 [inline] __schedule+0x887/0x2040 kernel/sched/core.c:3517 schedule+0x8d/0x1b0 kernel/sched/core.c:3561 __rwsem_down_write_failed_common kernel/locking/rwsem-xadd.c:589 [inline] rwsem_down_write_failed+0x3aa/0x760 kernel/locking/rwsem-xadd.c:618 call_rwsem_down_write_failed+0x13/0x20 arch/x86/lib/rwsem.S:117 __down_write arch/x86/include/asm/rwsem.h:142 [inline] down_write+0x4f/0x90 kernel/locking/rwsem.c:72 inode_lock include/linux/fs.h:748 [inline] do_truncate+0x125/0x1f0 fs/open.c:61 handle_truncate fs/namei.c:3009 [inline] do_last fs/namei.c:3427 [inline] path_openat+0x2308/0x2df0 fs/namei.c:3537 do_filp_open+0x18c/0x3f0 fs/namei.c:3567 do_sys_open+0x3b3/0x520 fs/open.c:1085 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x7f61a471f0f9 Code: Bad RIP value. RSP: 002b:00007f619e82e168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f61a483f1f0 RCX: 00007f61a471f0f9 RDX: 0000000000000000 RSI: 0000000000000001 RDI: 0000000020000040 RBP: 00007f61a477aae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff783d544f R14: 00007f619e82e300 R15: 0000000000022000 Showing all locks held in the system: bridge0: port 2(bridge_slave_1) entered disabled state 3 locks held by kworker/0:0/5: #0: 00000000b628c055 ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 0000000039a0dce7 (deferred_process_work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000368c5d0a (rtnl_mutex){+.+.}, at: switchdev_deferred_process_work+0xa/0x20 net/switchdev/switchdev.c:150 4 locks held by kworker/u4:3/348: #0: 00000000c53e36f7 ((wq_completion)"writeback"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 0000000099aa149c ((work_completion)(&(&wb->dwork)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 0000000039fa265a (&type->s_umount_key#53){++++}, at: trylock_super+0x1d/0x100 fs/super.c:412 #3: 00000000aa404ef6 (&sbi->gc_mutex){+.+.}, at: f2fs_balance_fs+0x709/0xd80 fs/f2fs/segment.c:512 1 lock held by khungtaskd/1571: #0: 00000000acdc18cf (rcu_read_lock){....}, at: debug_show_all_locks+0x53/0x265 kernel/locking/lockdep.c:4441 4 locks held by kworker/0:2/3687: #0: 00000000b628c055 ((wq_completion)"events"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 00000000f4559079 ((linkwatch_work).work){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000368c5d0a (rtnl_mutex){+.+.}, at: linkwatch_event+0xb/0x60 net/core/link_watch.c:236 #3: 00000000059ccba2 (rcu_preempt_state.exp_mutex){+.+.}, at: exp_funnel_lock kernel/rcu/tree_exp.h:297 [inline] #3: 00000000059ccba2 (rcu_preempt_state.exp_mutex){+.+.}, at: _synchronize_rcu_expedited+0x4dc/0x6f0 kernel/rcu/tree_exp.h:667 1 lock held by in:imklog/7804: #0: 00000000589daa02 (&f->f_pos_lock){+.+.}, at: __fdget_pos+0x26f/0x310 fs/file.c:767 3 locks held by kworker/0:4/8154: #0: 00000000632d06a1 ((wq_completion)"%s"("ipv6_addrconf")){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 #1: 000000008ee8e1f6 ((work_completion)(&(&ifa->dad_work)->work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 #2: 00000000368c5d0a (rtnl_mutex){+.+.}, at: addrconf_dad_work+0x9c/0x10a0 net/ipv6/addrconf.c:3989 3 locks held by kworker/u4:5/9358: #0: 00000000418caa88 (&rq->lock){-.-.}, at: rq_lock kernel/sched/sched.h:1826 [inline] #0: 00000000418caa88 (&rq->lock){-.-.}, at: __schedule+0x1f9/0x2040 kernel/sched/core.c:3455 #1: 00000000acdc18cf (rcu_read_lock){....}, at: trace_sched_stat_runtime include/trace/events/sched.h:428 [inline] #1: 00000000acdc18cf (rcu_read_lock){....}, at: update_curr+0x2c3/0x870 kernel/sched/fair.c:857 #2: 00000000c1200e29 (&obj_hash[i].lock){-.-.}, at: __debug_check_no_obj_freed lib/debugobjects.c:776 [inline] #2: 00000000c1200e29 (&obj_hash[i].lock){-.-.}, at: debug_check_no_obj_freed+0xb5/0x490 lib/debugobjects.c:817 f2fs_msg: 6182 callbacks suppressed F2FS-fs (loop5): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 2 locks held by kworker/0:5/28729: F2FS-fs (loop5): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 #0: 000000000e83947b ((wq_completion)"rcu_gp"){+.+.}, at: process_one_work+0x767/0x1570 kernel/workqueue.c:2124 F2FS-fs (loop5): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 #1: 00000000d2482496 ((work_completion)(&rew.rew_work)){+.+.}, at: process_one_work+0x79c/0x1570 kernel/workqueue.c:2128 F2FS-fs (loop5): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 7 locks held by syz-executor.5/28958: F2FS-fs (loop5): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 3 locks held by syz-executor.5/28968: F2FS-fs (loop5): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 #0: 000000002d433252 (sb_writers#16){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 000000002d433252 (sb_writers#16){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 F2FS-fs (loop5): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 #1: 00000000df2c9187 (&sb->s_type->i_mutex_key#23){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000df2c9187 (&sb->s_type->i_mutex_key#23){+.+.}, at: do_truncate+0x125/0x1f0 fs/open.c:61 F2FS-fs (loop5): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 #2: 00000000aa404ef6 (&sbi->gc_mutex){+.+.}, at: f2fs_balance_fs+0x709/0xd80 fs/f2fs/segment.c:512 F2FS-fs (loop5): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 2 locks held by syz-executor.5/28969: Bluetooth: hci7: command 0x0409 tx timeout #0: 000000002d433252 (sb_writers#16){.+.+}, at: sb_start_write include/linux/fs.h:1579 [inline] #0: 000000002d433252 (sb_writers#16){.+.+}, at: mnt_want_write+0x3a/0xb0 fs/namespace.c:360 F2FS-fs (loop5): sanity_check_inode: inode (ino=8) has corrupted i_extra_isize: 36, max: 24 #1: 00000000df2c9187 (&sb->s_type->i_mutex_key#23){+.+.}, at: inode_lock include/linux/fs.h:748 [inline] #1: 00000000df2c9187 (&sb->s_type->i_mutex_key#23){+.+.}, at: do_truncate+0x125/0x1f0 fs/open.c:61 2 locks held by syz-executor.5/357: #0: 0000000039fa265a (&type->s_umount_key#53){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 #1: 000000008dc5d68f (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] #1: 000000008dc5d68f (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457 2 locks held by syz-executor.5/361: #0: 0000000039fa265a (&type->s_umount_key#53){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 #1: 000000008dc5d68f (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] #1: 000000008dc5d68f (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457 2 locks held by syz-executor.5/401: #0: 0000000039fa265a (&type->s_umount_key#53){++++}, at: iterate_supers+0xdb/0x290 fs/super.c:631 #1: 000000008dc5d68f (&bdi->wb_switch_rwsem){+.+.}, at: bdi_down_write_wb_switch_rwsem fs/fs-writeback.c:338 [inline] #1: 000000008dc5d68f (&bdi->wb_switch_rwsem){+.+.}, at: sync_inodes_sb+0x180/0x9a0 fs/fs-writeback.c:2457 1 lock held by syz-executor.5/515: #0: 00000000368c5d0a (rtnl_mutex){+.+.}, at: rtnl_lock net/core/rtnetlink.c:77 [inline] #0: 00000000368c5d0a (rtnl_mutex){+.+.}, at: rtnetlink_rcv_msg+0x3fe/0xb80 net/core/rtnetlink.c:4779 ============================================= IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready NMI backtrace for cpu 1 CPU: 1 PID: 1571 Comm: khungtaskd Not tainted 4.19.211-syzkaller #0 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 nmi_cpu_backtrace.cold+0x63/0xa2 lib/nmi_backtrace.c:101 nmi_trigger_cpumask_backtrace+0x1a6/0x1f0 lib/nmi_backtrace.c:62 trigger_all_cpu_backtrace include/linux/nmi.h:146 [inline] check_hung_uninterruptible_tasks kernel/hung_task.c:203 [inline] watchdog+0x991/0xe60 kernel/hung_task.c:287 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415 Sending NMI from CPU 1 to CPUs 0: NMI backtrace for cpu 0 CPU: 0 PID: 9500 Comm: kworker/u4:6 Not tainted 4.19.211-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/16/2023 Workqueue: bat_events batadv_nc_worker RIP: 0010:__lock_acquire+0xc/0x3ff0 kernel/locking/lockdep.c:3275 Code: 8b 34 24 e9 5f ff ff ff 48 89 34 24 e8 3d 68 4d 00 48 8b 34 24 eb a5 0f 1f 80 00 00 00 00 41 57 45 89 c7 41 56 49 89 fe 41 55 <41> 54 45 89 cc 55 89 cd 53 89 d3 48 ba 00 00 00 00 00 fc ff df 48 RSP: 0018:ffff88804e12fc18 EFLAGS: 00000046 RAX: 0000000000000000 RBX: ffff88809d514600 RCX: 0000000000000002 RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffffff89f85fa0 RBP: ffffffff89f85fa0 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000004 R11: 0000000000000000 R12: 0000000000000000 R13: 0000000000000000 R14: ffffffff89f85fa0 R15: 0000000000000000 FS: 0000000000000000(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f56a55505e0 CR3: 0000000096805000 CR4: 00000000003406f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: lock_acquire+0x170/0x3c0 kernel/locking/lockdep.c:3908 rcu_lock_acquire include/linux/rcupdate.h:242 [inline] rcu_read_lock include/linux/rcupdate.h:627 [inline] batadv_nc_purge_orig_hash net/batman-adv/network-coding.c:419 [inline] batadv_nc_worker+0x12d/0xd50 net/batman-adv/network-coding.c:730 process_one_work+0x864/0x1570 kernel/workqueue.c:2153 worker_thread+0x64c/0x1130 kernel/workqueue.c:2296 kthread+0x33f/0x460 kernel/kthread.c:259 ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:415