====================================================== WARNING: possible circular locking dependency detected 4.14.302-syzkaller #0 Not tainted ------------------------------------------------------ syz-executor.2/10620 is trying to acquire lock: (&sbi->alloc_mutex){+.+.}, at: [] hfsplus_block_free+0xc7/0x560 fs/hfsplus/bitmap.c:182 but task is already holding lock: (&tree->tree_lock/1){+.+.}, at: [] hfsplus_find_init+0x161/0x220 fs/hfsplus/bfind.c:33 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #2 (&tree->tree_lock/1){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 hfsplus_find_init+0x161/0x220 fs/hfsplus/bfind.c:33 hfsplus_ext_read_extent+0x15f/0x9e0 fs/hfsplus/extents.c:216 hfsplus_get_block+0x23e/0x820 fs/hfsplus/extents.c:268 block_read_full_page+0x25e/0x8d0 fs/buffer.c:2316 do_read_cache_page+0x38e/0xc10 mm/filemap.c:2713 read_mapping_page include/linux/pagemap.h:398 [inline] hfsplus_block_allocate+0x189/0x910 fs/hfsplus/bitmap.c:37 hfsplus_file_extend+0x421/0xef0 fs/hfsplus/extents.c:463 hfsplus_get_block+0x15b/0x820 fs/hfsplus/extents.c:245 __block_write_begin_int+0x35c/0x11d0 fs/buffer.c:2038 __block_write_begin fs/buffer.c:2088 [inline] block_write_begin+0x58/0x270 fs/buffer.c:2147 cont_write_begin+0x4a3/0x740 fs/buffer.c:2497 hfsplus_write_begin+0x87/0x130 fs/hfsplus/inode.c:53 cont_expand_zero fs/buffer.c:2424 [inline] cont_write_begin+0x296/0x740 fs/buffer.c:2487 hfsplus_write_begin+0x87/0x130 fs/hfsplus/inode.c:53 generic_perform_write+0x1d5/0x430 mm/filemap.c:3055 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3180 generic_file_write_iter+0x36f/0x650 mm/filemap.c:3208 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 -> #1 (&HFSPLUS_I(inode)->extents_lock){+.+.}: __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 hfsplus_get_block+0x1f9/0x820 fs/hfsplus/extents.c:260 block_read_full_page+0x25e/0x8d0 fs/buffer.c:2316 do_read_cache_page+0x38e/0xc10 mm/filemap.c:2713 read_mapping_page include/linux/pagemap.h:398 [inline] hfsplus_block_allocate+0x189/0x910 fs/hfsplus/bitmap.c:37 hfsplus_file_extend+0x421/0xef0 fs/hfsplus/extents.c:463 hfsplus_get_block+0x15b/0x820 fs/hfsplus/extents.c:245 __block_write_begin_int+0x35c/0x11d0 fs/buffer.c:2038 __block_write_begin fs/buffer.c:2088 [inline] block_write_begin+0x58/0x270 fs/buffer.c:2147 cont_write_begin+0x4a3/0x740 fs/buffer.c:2497 hfsplus_write_begin+0x87/0x130 fs/hfsplus/inode.c:53 cont_expand_zero fs/buffer.c:2424 [inline] cont_write_begin+0x296/0x740 fs/buffer.c:2487 hfsplus_write_begin+0x87/0x130 fs/hfsplus/inode.c:53 generic_perform_write+0x1d5/0x430 mm/filemap.c:3055 __generic_file_write_iter+0x227/0x590 mm/filemap.c:3180 generic_file_write_iter+0x36f/0x650 mm/filemap.c:3208 call_write_iter include/linux/fs.h:1780 [inline] aio_write+0x2ed/0x560 fs/aio.c:1553 io_submit_one fs/aio.c:1641 [inline] do_io_submit+0x847/0x1570 fs/aio.c:1709 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 -> #0 (&sbi->alloc_mutex){+.+.}: lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 hfsplus_block_free+0xc7/0x560 fs/hfsplus/bitmap.c:182 hfsplus_free_extents+0x170/0x440 fs/hfsplus/extents.c:360 hfsplus_file_truncate+0xbc0/0xe80 fs/hfsplus/extents.c:585 hfsplus_setattr+0x182/0x310 fs/hfsplus/inode.c:264 notify_change+0x56b/0xd10 fs/attr.c:315 do_truncate+0xff/0x1a0 fs/open.c:63 handle_truncate fs/namei.c:3010 [inline] do_last fs/namei.c:3437 [inline] path_openat+0x1dcc/0x2970 fs/namei.c:3571 do_filp_open+0x179/0x3c0 fs/namei.c:3605 do_sys_open+0x296/0x410 fs/open.c:1081 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 other info that might help us debug this: Chain exists of: &sbi->alloc_mutex --> &HFSPLUS_I(inode)->extents_lock --> &tree->tree_lock/1 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&tree->tree_lock/1); lock(&HFSPLUS_I(inode)->extents_lock); lock(&tree->tree_lock/1); lock(&sbi->alloc_mutex); *** DEADLOCK *** 4 locks held by syz-executor.2/10620: #0: (sb_writers#16){.+.+}, at: [] sb_start_write include/linux/fs.h:1551 [inline] #0: (sb_writers#16){.+.+}, at: [] mnt_want_write+0x3a/0xb0 fs/namespace.c:386 #1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] inode_lock include/linux/fs.h:719 [inline] #1: (&sb->s_type->i_mutex_key#23){+.+.}, at: [] do_truncate+0xf0/0x1a0 fs/open.c:61 #2: (&HFSPLUS_I(inode)->extents_lock){+.+.}, at: [] hfsplus_file_truncate+0x1ba/0xe80 fs/hfsplus/extents.c:571 #3: (&tree->tree_lock/1){+.+.}, at: [] hfsplus_find_init+0x161/0x220 fs/hfsplus/bfind.c:33 stack backtrace: CPU: 1 PID: 10620 Comm: syz-executor.2 Not tainted 4.14.302-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 Call Trace: __dump_stack lib/dump_stack.c:17 [inline] dump_stack+0x1b2/0x281 lib/dump_stack.c:58 print_circular_bug.constprop.0.cold+0x2d7/0x41e kernel/locking/lockdep.c:1258 check_prev_add kernel/locking/lockdep.c:1905 [inline] check_prevs_add kernel/locking/lockdep.c:2022 [inline] validate_chain kernel/locking/lockdep.c:2464 [inline] __lock_acquire+0x2e0e/0x3f20 kernel/locking/lockdep.c:3491 lock_acquire+0x170/0x3f0 kernel/locking/lockdep.c:3998 __mutex_lock_common kernel/locking/mutex.c:756 [inline] __mutex_lock+0xc4/0x1310 kernel/locking/mutex.c:893 hfsplus_block_free+0xc7/0x560 fs/hfsplus/bitmap.c:182 hfsplus_free_extents+0x170/0x440 fs/hfsplus/extents.c:360 hfsplus_file_truncate+0xbc0/0xe80 fs/hfsplus/extents.c:585 hfsplus_setattr+0x182/0x310 fs/hfsplus/inode.c:264 notify_change+0x56b/0xd10 fs/attr.c:315 do_truncate+0xff/0x1a0 fs/open.c:63 handle_truncate fs/namei.c:3010 [inline] do_last fs/namei.c:3437 [inline] path_openat+0x1dcc/0x2970 fs/namei.c:3571 do_filp_open+0x179/0x3c0 fs/namei.c:3605 do_sys_open+0x296/0x410 fs/open.c:1081 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 RIP: 0033:0x7f5ed5ddb0a9 RSP: 002b:00007f5ed434d168 EFLAGS: 00000246 ORIG_RAX: 0000000000000055 RAX: ffffffffffffffda RBX: 00007f5ed5efaf80 RCX: 00007f5ed5ddb0a9 RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000020000280 RBP: 00007f5ed5e36ae9 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffc267537ff R14: 00007f5ed434d300 R15: 0000000000022000 audit: type=1804 audit(1672463297.077:11): pid=10676 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir3633507589/syzkaller.MI9r7S/42/bus" dev="sda1" ino=14171 res=1 audit: type=1804 audit(1672463297.897:12): pid=10701 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir3633507589/syzkaller.MI9r7S/43/bus" dev="sda1" ino=14088 res=1 audit: type=1804 audit(1672463298.267:13): pid=10727 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir822389004/syzkaller.jscRfE/42/bus" dev="sda1" ino=14101 res=1 audit: type=1804 audit(1672463298.307:14): pid=10730 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir3635528289/syzkaller.WOp3al/47/bus" dev="sda1" ino=14102 res=1 audit: type=1804 audit(1672463298.327:15): pid=10735 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir3633507589/syzkaller.MI9r7S/44/bus" dev="sda1" ino=14181 res=1 audit: type=1804 audit(1672463298.757:16): pid=10759 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.3" name="/root/syzkaller-testdir3633507589/syzkaller.MI9r7S/45/bus" dev="sda1" ino=14118 res=1 audit: type=1804 audit(1672463298.797:17): pid=10757 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir822389004/syzkaller.jscRfE/43/bus" dev="sda1" ino=14102 res=1 audit: type=1804 audit(1672463298.857:18): pid=10761 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir3635528289/syzkaller.WOp3al/48/bus" dev="sda1" ino=14124 res=1 audit: type=1804 audit(1672463299.177:19): pid=10787 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.4" name="/root/syzkaller-testdir822389004/syzkaller.jscRfE/44/bus" dev="sda1" ino=14103 res=1 audit: type=1804 audit(1672463299.657:20): pid=10843 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.5" name="/root/syzkaller-testdir3635528289/syzkaller.WOp3al/49/bus" dev="sda1" ino=14124 res=1 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 caif:caif_disconnect_client(): nothing to disconnect chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT chnl_net:chnl_net_open(): state disconnected A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. bridge0: port 2(bridge_slave_1) entered disabled state bridge0: port 1(bridge_slave_0) entered disabled state batman_adv: batadv0: Interface deactivated: batadv_slave_0 batman_adv: batadv0: Interface deactivated: batadv_slave_1 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 caif:caif_disconnect_client(): nothing to disconnect chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT chnl_net:chnl_net_open(): state disconnected A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. kauditd_printk_skb: 6 callbacks suppressed audit: type=1800 audit(1672463302.188:27): pid=10953 uid=60929 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="sda1" ino=14205 res=0 audit: type=1804 audit(1672463302.228:28): pid=10953 uid=60929 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir1228061116/syzkaller.3UsJsd/47/bus" dev="sda1" ino=14205 res=1 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 caif:caif_disconnect_client(): nothing to disconnect chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT chnl_net:chnl_net_open(): state disconnected A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. EXT4-fs (loop3): mounting ext2 file system using the ext4 subsystem netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'. IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 caif:caif_disconnect_client(): nothing to disconnect chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT chnl_net:chnl_net_open(): state disconnected A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. EXT4-fs (loop3): orphan cleanup on readonly fs EXT4-fs error (device loop3): ext4_validate_block_bitmap:405: comm syz-executor.3: bg 0: block 18: invalid block bitmap EXT4-fs error (device loop3) in ext4_free_blocks:5010: Corrupt filesystem audit: type=1800 audit(1672463303.218:29): pid=10948 uid=60929 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.1" name="bus" dev="loop1" ino=4 res=0 EXT4-fs (loop3): 1 truncate cleaned up EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 caif:caif_disconnect_client(): nothing to disconnect chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT chnl_net:chnl_net_open(): state disconnected A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. audit: type=1804 audit(1672463303.228:30): pid=10948 uid=60929 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir599084076/syzkaller.XdmbXo/50/file0/bus" dev="loop1" ino=4 res=1 EXT4-fs error (device loop3): ext4_map_blocks:612: inode #2: block 3: comm syz-executor.3: lblock 0 mapped to illegal pblock 3 (length 1) netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'. IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready 8021q: adding VLAN 0 to HW filter on device team0 chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 caif:caif_disconnect_client(): nothing to disconnect chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT chnl_net:chnl_net_open(): state disconnected A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. EXT4-fs (loop3): mounting ext2 file system using the ext4 subsystem EXT4-fs (loop3): orphan cleanup on readonly fs netlink: 24 bytes leftover after parsing attributes in process `syz-executor.2'. EXT4-fs error (device loop3): ext4_validate_block_bitmap:405: comm syz-executor.3: bg 0: block 18: invalid block bitmap EXT4-fs error (device loop3) in ext4_free_blocks:5010: Corrupt filesystem bridge1: port 1(batadv1) entered blocking state audit: type=1800 audit(1672463304.278:31): pid=10967 uid=60929 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.0" name="bus" dev="sda1" ino=14195 res=0 bridge1: port 1(batadv1) entered disabled state EXT4-fs (loop3): 1 truncate cleaned up device batadv1 entered promiscuous mode EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue audit: type=1804 audit(1672463304.288:32): pid=10967 uid=60929 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.0" name="/root/syzkaller-testdir1228061116/syzkaller.3UsJsd/48/bus" dev="sda1" ino=14195 res=1 EXT4-fs error (device loop3): ext4_map_blocks:612: inode #2: block 3: comm syz-executor.3: lblock 0 mapped to illegal pblock 3 (length 1) batman_adv: batadv1: No IGMP Querier present - multicast optimizations disabled batman_adv: batadv1: No MLD Querier present - multicast optimizations disabled audit: type=1800 audit(1672463304.968:33): pid=11001 uid=60929 auid=4294967295 ses=4294967295 op="collect_data" cause="failed(directio)" comm="syz-executor.1" name="bus" dev="loop1" ino=5 res=0 audit: type=1804 audit(1672463304.998:34): pid=11073 uid=0 auid=4294967295 ses=4294967295 op="invalid_pcr" cause="open_writers" comm="syz-executor.1" name="/root/syzkaller-testdir599084076/syzkaller.XdmbXo/51/file0/bus" dev="loop1" ino=5 res=1 bridge2: port 1(batadv2) entered blocking state bridge2: port 1(batadv2) entered disabled state device batadv2 entered promiscuous mode batman_adv: batadv2: No IGMP Querier present - multicast optimizations disabled batman_adv: batadv2: No MLD Querier present - multicast optimizations disabled netlink: 12 bytes leftover after parsing attributes in process `syz-executor.4'. IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready IPv6: ADDRCONF(NETDEV_CHANGE): vcan0: link becomes ready 8021q: adding VLAN 0 to HW filter on device bond0 IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready EXT4-fs (loop3): mounting ext2 file system using the ext4 subsystem 8021q: adding VLAN 0 to HW filter on device team0 chnl_net:chnl_net_open(): err: Unable to register and open device, Err:-19 caif:caif_disconnect_client(): nothing to disconnect EXT4-fs (loop3): orphan cleanup on readonly fs chnl_net:chnl_flowctrl_cb(): NET flowctrl func called flow: CLOSE/DEINIT chnl_net:chnl_net_open(): state disconnected A link change request failed with some changes committed already. Interface caif0 may have been left with an inconsistent configuration, please check. EXT4-fs error (device loop3): ext4_validate_block_bitmap:405: comm syz-executor.3: bg 0: block 18: invalid block bitmap EXT4-fs error (device loop3) in ext4_free_blocks:5010: Corrupt filesystem EXT4-fs (loop3): 1 truncate cleaned up EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue EXT4-fs error (device loop3): ext4_map_blocks:612: inode #2: block 3: comm syz-executor.3: lblock 0 mapped to illegal pblock 3 (length 1) bridge3: port 1(batadv3) entered blocking state bridge3: port 1(batadv3) entered disabled state device batadv3 entered promiscuous mode EXT4-fs (loop3): mounting ext2 file system using the ext4 subsystem EXT4-fs (loop3): orphan cleanup on readonly fs EXT4-fs error (device loop3): ext4_validate_block_bitmap:405: comm syz-executor.3: bg 0: block 18: invalid block bitmap bridge4: port 1(batadv4) entered blocking state bridge4: port 1(batadv4) entered disabled state EXT4-fs error (device loop3) in ext4_free_blocks:5010: Corrupt filesystem EXT4-fs (loop3): 1 truncate cleaned up device batadv4 entered promiscuous mode EXT4-fs (loop3): mounted filesystem without journal. Opts: ,errors=continue batman_adv: batadv3: No IGMP Querier present - multicast optimizations disabled EXT4-fs error (device loop3): ext4_map_blocks:612: inode #2: block 3: comm syz-executor.3: lblock 0 mapped to illegal pblock 3 (length 1) batman_adv: batadv3: No MLD Querier present - multicast optimizations disabled bridge1: port 1(batadv1) entered blocking state batman_adv: batadv4: No IGMP Querier present - multicast optimizations disabled batman_adv: batadv4: No MLD Querier present - multicast optimizations disabled bridge1: port 1(batadv1) entered disabled state device batadv1 entered promiscuous mode