8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 8021q: adding VLAN 0 to HW filter on device team0 ============================= WARNING: suspicious RCU usage 4.17.0-rc2+ #14 Not tainted ----------------------------- include/linux/rcupdate.h:304 Illegal context switch in RCU read-side critical section! other info that might help us debug this: rcu_scheduler_active = 2, debug_locks = 1 4 locks held by syz-executor3/4536: #0: (ptrval) (sb_writers#4){.+.+}, at: sb_start_write include/linux/fs.h:1550 [inline] #0: (ptrval) (sb_writers#4){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:386 #1: (ptrval) (sb_internal){.+.+}, at: sb_start_intwrite include/linux/fs.h:1597 [inline] #1: (ptrval) (sb_internal){.+.+}, at: ext4_evict_inode+0x720/0x1aa0 fs/ext4/inode.c:250 #2: (ptrval) (jbd2_handle){.+.+}, at: start_this_handle+0x581/0x1250 fs/jbd2/transaction.c:385 #3: (ptrval) (rcu_read_lock){....}, at: __list_add include/linux/list.h:64 [inline] #3: (ptrval) (rcu_read_lock){....}, at: list_add include/linux/list.h:79 [inline] #3: (ptrval) (rcu_read_lock){....}, at: jbd2_write_access_granted.part.8+0x0/0x420 fs/jbd2/transaction.c:2544 stack backtrace: CPU: 1 PID: 4536 Comm: syz-executor3 Not tainted 4.17.0-rc2+ #14 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 lockdep_rcu_suspicious+0x14a/0x153 kernel/locking/lockdep.c:4592 rcu_preempt_sleep_check include/linux/rcupdate.h:303 [inline] ___might_sleep+0x26d/0x320 kernel/sched/core.c:6153 __might_sleep+0x95/0x190 kernel/sched/core.c:6141 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3378 [inline] __do_kmalloc mm/slab.c:3716 [inline] __kmalloc+0x2b9/0x760 mm/slab.c:3727 kmalloc_array include/linux/slab.h:631 [inline] kcalloc include/linux/slab.h:642 [inline] numa_crng_init drivers/char/random.c:798 [inline] crng_reseed+0x427/0x920 drivers/char/random.c:923 credit_entropy_bits+0x98d/0xa30 drivers/char/random.c:708 add_interrupt_randomness+0x494/0x860 drivers/char/random.c:1254 handle_irq_event_percpu+0xf9/0x1c0 kernel/irq/handle.c:191 handle_irq_event+0xa7/0x135 kernel/irq/handle.c:206 handle_edge_irq+0x20f/0x870 kernel/irq/chip.c:791 generic_handle_irq_desc include/linux/irqdesc.h:159 [inline] handle_irq+0x18c/0x2e7 arch/x86/kernel/irq_64.c:77 do_IRQ+0x78/0x190 arch/x86/kernel/irq.c:245 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:642 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0xa/0x50 kernel/kcov.c:100 RSP: 0018:ffff8801926f7440 EFLAGS: 00000202 ORIG_RAX: ffffffffffffffd5 RAX: ffff8801926ec400 RBX: 1ffff100324dee8c RCX: ffffffff8218934e RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000005 RBP: ffff8801926f74e8 R08: ffff8801926ec400 R09: ffffed003b5e46c2 R10: ffffed003b5e46c2 R11: ffff8801daf23613 R12: 0000000000000001 R13: ffff8801b367f001 R14: ffff8801b367f040 R15: ffff8801b3680210 jbd2_write_access_granted fs/jbd2/transaction.c:1096 [inline] jbd2_journal_get_write_access+0x91/0xc0 fs/jbd2/transaction.c:1086 __ext4_journal_get_write_access+0x5e/0xa0 fs/ext4/ext4_jbd2.c:169 ext4_reserve_inode_write+0x191/0x260 fs/ext4/inode.c:5763 ext4_mark_inode_dirty+0x177/0xb20 fs/ext4/inode.c:5912 ext4_evict_inode+0xaef/0x1aa0 fs/ext4/inode.c:282 evict+0x4a6/0x960 fs/inode.c:557 iput_final fs/inode.c:1519 [inline] iput+0x62d/0xa80 fs/inode.c:1545 do_unlinkat+0x71f/0xa10 fs/namei.c:4039 __do_sys_unlink fs/namei.c:4080 [inline] __se_sys_unlink fs/namei.c:4078 [inline] __x64_sys_unlink+0x42/0x50 fs/namei.c:4078 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4550d7 RSP: 002b:00007ffd6df9be58 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004550d7 RDX: 00000000026269db RSI: 00007ffd6df9bef0 RDI: 00007ffd6df9bef0 RBP: 00007ffd6df9dc00 R08: 0000000000000000 R09: 000000000000000e R10: 000000000000000a R11: 0000000000000202 R12: 0000000002626940 R13: 0000000000000000 R14: 00000000000000fe R15: 0000000000013433 BUG: sleeping function called from invalid context at mm/slab.h:421 in_atomic(): 1, irqs_disabled(): 1, pid: 4536, name: syz-executor3 4 locks held by syz-executor3/4536: #0: (ptrval) (sb_writers#4){.+.+}, at: sb_start_write include/linux/fs.h:1550 [inline] #0: (ptrval) (sb_writers#4){.+.+}, at: mnt_want_write+0x3f/0xc0 fs/namespace.c:386 #1: (ptrval) (sb_internal){.+.+}, at: sb_start_intwrite include/linux/fs.h:1597 [inline] #1: (ptrval) (sb_internal){.+.+}, at: ext4_evict_inode+0x720/0x1aa0 fs/ext4/inode.c:250 #2: (ptrval) (jbd2_handle){.+.+}, at: start_this_handle+0x581/0x1250 fs/jbd2/transaction.c:385 #3: (ptrval) (rcu_read_lock){....}, at: __list_add include/linux/list.h:64 [inline] #3: (ptrval) (rcu_read_lock){....}, at: list_add include/linux/list.h:79 [inline] #3: (ptrval) (rcu_read_lock){....}, at: jbd2_write_access_granted.part.8+0x0/0x420 fs/jbd2/transaction.c:2544 irq event stamp: 101870 hardirqs last enabled at (101869): [] lookup_bh_lru fs/buffer.c:1271 [inline] hardirqs last enabled at (101869): [] __find_get_block+0x2b8/0xe50 fs/buffer.c:1283 hardirqs last disabled at (101870): [] interrupt_entry+0xb5/0xf0 arch/x86/entry/entry_64.S:625 softirqs last enabled at (100360): [] __do_softirq+0x778/0xaf5 kernel/softirq.c:311 softirqs last disabled at (100353): [] invoke_softirq kernel/softirq.c:365 [inline] softirqs last disabled at (100353): [] irq_exit+0x1d1/0x200 kernel/softirq.c:405 CPU: 1 PID: 4536 Comm: syz-executor3 Not tainted 4.17.0-rc2+ #14 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Call Trace: __dump_stack lib/dump_stack.c:77 [inline] dump_stack+0x1b9/0x294 lib/dump_stack.c:113 ___might_sleep.cold.87+0x11f/0x13a kernel/sched/core.c:6188 __might_sleep+0x95/0x190 kernel/sched/core.c:6141 slab_pre_alloc_hook mm/slab.h:421 [inline] slab_alloc mm/slab.c:3378 [inline] __do_kmalloc mm/slab.c:3716 [inline] __kmalloc+0x2b9/0x760 mm/slab.c:3727 kmalloc_array include/linux/slab.h:631 [inline] kcalloc include/linux/slab.h:642 [inline] numa_crng_init drivers/char/random.c:798 [inline] crng_reseed+0x427/0x920 drivers/char/random.c:923 credit_entropy_bits+0x98d/0xa30 drivers/char/random.c:708 add_interrupt_randomness+0x494/0x860 drivers/char/random.c:1254 handle_irq_event_percpu+0xf9/0x1c0 kernel/irq/handle.c:191 handle_irq_event+0xa7/0x135 kernel/irq/handle.c:206 handle_edge_irq+0x20f/0x870 kernel/irq/chip.c:791 generic_handle_irq_desc include/linux/irqdesc.h:159 [inline] handle_irq+0x18c/0x2e7 arch/x86/kernel/irq_64.c:77 do_IRQ+0x78/0x190 arch/x86/kernel/irq.c:245 common_interrupt+0xf/0xf arch/x86/entry/entry_64.S:642 RIP: 0010:get_current arch/x86/include/asm/current.h:15 [inline] RIP: 0010:__sanitizer_cov_trace_pc+0xa/0x50 kernel/kcov.c:100 RSP: 0018:ffff8801926f7440 EFLAGS: 00000202 ORIG_RAX: ffffffffffffffd5 RAX: ffff8801926ec400 RBX: 1ffff100324dee8c RCX: ffffffff8218934e RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000005 RBP: ffff8801926f74e8 R08: ffff8801926ec400 R09: ffffed003b5e46c2 R10: ffffed003b5e46c2 R11: ffff8801daf23613 R12: 0000000000000001 R13: ffff8801b367f001 R14: ffff8801b367f040 R15: ffff8801b3680210 jbd2_write_access_granted fs/jbd2/transaction.c:1096 [inline] jbd2_journal_get_write_access+0x91/0xc0 fs/jbd2/transaction.c:1086 __ext4_journal_get_write_access+0x5e/0xa0 fs/ext4/ext4_jbd2.c:169 ext4_reserve_inode_write+0x191/0x260 fs/ext4/inode.c:5763 ext4_mark_inode_dirty+0x177/0xb20 fs/ext4/inode.c:5912 ext4_evict_inode+0xaef/0x1aa0 fs/ext4/inode.c:282 evict+0x4a6/0x960 fs/inode.c:557 iput_final fs/inode.c:1519 [inline] iput+0x62d/0xa80 fs/inode.c:1545 do_unlinkat+0x71f/0xa10 fs/namei.c:4039 __do_sys_unlink fs/namei.c:4080 [inline] __se_sys_unlink fs/namei.c:4078 [inline] __x64_sys_unlink+0x42/0x50 fs/namei.c:4078 do_syscall_64+0x1b1/0x800 arch/x86/entry/common.c:287 entry_SYSCALL_64_after_hwframe+0x49/0xbe RIP: 0033:0x4550d7 RSP: 002b:00007ffd6df9be58 EFLAGS: 00000202 ORIG_RAX: 0000000000000057 RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004550d7 RDX: 00000000026269db RSI: 00007ffd6df9bef0 RDI: 00007ffd6df9bef0 RBP: 00007ffd6df9dc00 R08: 0000000000000000 R09: 000000000000000e R10: 000000000000000a R11: 0000000000000202 R12: 0000000002626940 R13: 0000000000000000 R14: 00000000000000fe R15: 0000000000013433 random: crng init done EXT4-fs (loop2): VFS: Can't find ext4 filesystem gfs2: invalid mount option: $XAënosuiddir gfs2: can't parse mount arguments gfs2: invalid mount option: $XAënosuiddir gfs2: can't parse mount arguments FAT-fs (loop0): Directory bread(block 2563) failed FAT-fs (loop0): Directory bread(block 2564) failed FAT-fs (loop0): Directory bread(block 2565) failed FAT-fs (loop0): Directory bread(block 2566) failed FAT-fs (loop0): Directory bread(block 2567) failed FAT-fs (loop0): Directory bread(block 2568) failed FAT-fs (loop0): Directory bread(block 2569) failed FAT-fs (loop0): Directory bread(block 2570) failed FAT-fs (loop0): Directory bread(block 2571) failed FAT-fs (loop0): Directory bread(block 2572) failed netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. netlink: 3 bytes leftover after parsing attributes in process `syz-executor7'. IPVS: ip_vs_svc_hash(): request for already hashed, called from do_ip_vs_set_ctl+0x1b43/0x1d30 net/netfilter/ipvs/ip_vs_ctl.c:2457 gfs2: can't find protocol lock_ånlock IPVS: ip_vs_svc_hash(): request for already hashed, called from do_ip_vs_set_ctl+0x1b43/0x1d30 net/netfilter/ipvs/ip_vs_ctl.c:2457 gfs2: can't find protocol lock_ånlock gfs2: can't find protocol lock_ånlock kernel msg: ebtables bug: please report to author: entry offsets not in right order rtc_cmos 00:00: Alarms can be up to one day in the future kernel msg: ebtables bug: please report to author: entry offsets not in right order rtc_cmos 00:00: Alarms can be up to one day in the future binder: release 6846:6946 transaction 3 in, still active binder: release 6846:6946 transaction 2 out, still active binder: send failed reply for transaction 3 to 6846:6853 binder: 6846:6853 ioctl c0306201 20004000 returned -14 binder: BINDER_SET_CONTEXT_MGR already set binder: 6846:6946 ioctl 40046207 0 returned -16 binder_alloc: 6846: binder_alloc_buf, no vma binder_alloc: 6846: binder_alloc_buf, no vma binder: 6846:6946 transaction failed 29189/-3, size 0-0 line 2963 binder: 6846:6947 transaction failed 29189/-3, size 0-0 line 2963 binder: release 6846:6853 transaction 2 in, still active binder: send failed reply for transaction 2, target dead TCP: request_sock_TCPv6: Possible SYN flooding on port 20002. Sending cookies. Check SNMP counters. rtc_cmos 00:00: Alarms can be up to one day in the future FAT-fs (loop3): invalid media value (0x67) FAT-fs (loop3): Can't find a valid FAT filesystem FAT-fs (loop3): invalid media value (0x67) FAT-fs (loop3): Can't find a valid FAT filesystem binder: release 6967:6990 transaction 8 in, still active binder: release 6967:6990 transaction 7 out, still active binder: send failed reply for transaction 8 to 6967:6968 binder: release 6967:6968 transaction 7 in, still active binder: send failed reply for transaction 7, target dead kernel msg: ebtables bug: please report to author: Wrong len argument kernel msg: ebtables bug: please report to author: bad policy IPVS: set_ctl: invalid protocol: 98 0.0.0.6:20000 lc kernel msg: ebtables bug: please report to author: Wrong len argument kernel msg: ebtables bug: please report to author: bad policy IPVS: set_ctl: invalid protocol: 98 0.0.0.6:20000 lc binder: BINDER_SET_CONTEXT_MGR already set syz-executor5 uses obsolete (PF_INET,SOCK_PACKET) binder: 7053:7055 ioctl 40046207 0 returned -16 device lo entered promiscuous mode binder: 7053:7055 unknown command -1828429050 binder: 7053:7055 ioctl c0306201 20000180 returned -22 binder: BINDER_SET_CONTEXT_MGR already set binder: 7053:7069 unknown command -1828429050 binder: 7053:7069 ioctl c0306201 20000180 returned -22 binder: 7053:7055 ioctl 40046207 0 returned -16 binder: release 7009:7073 transaction 13 in, still active binder: release 7009:7073 transaction 12 out, still active binder: send failed reply for transaction 13 to 7009:7010 binder: release 7009:7010 transaction 12 in, still active binder: send failed reply for transaction 12, target dead