Buffer I/O error on dev loop4, logical block 6756798, async page read attempt to access beyond end of device loop4: rw=0, want=575895, limit=112 Buffer I/O error on dev loop4, logical block 575894, async page read BUG: sleeping function called from invalid context at fs/buffer.c:1381 in_atomic(): 1, irqs_disabled(): 0, pid: 9490, name: syz-executor.4 2 locks held by syz-executor.4/9490: #0: (&type->i_mutex_dir_key#8){.+.+}, at: [] inode_lock_shared include/linux/fs.h:729 [inline] #0: (&type->i_mutex_dir_key#8){.+.+}, at: [] lookup_slow+0x129/0x400 fs/namei.c:1674 #1: (pointers_lock){.+.+}, at: [] get_block+0x153/0x1230 fs/sysv/itree.c:217 Preemption disabled at: [< (null)>] (null) CPU: 0 PID: 9490 Comm: syz-executor.4 Not tainted 4.14.299-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 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6041 __getblk_gfp fs/buffer.c:1381 [inline] __bread_gfp+0x3e/0x2e0 fs/buffer.c:1428 sb_bread include/linux/buffer_head.h:343 [inline] get_branch+0x2ac/0x600 fs/sysv/itree.c:104 get_block+0x176/0x1230 fs/sysv/itree.c:218 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] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x20d/0x610 fs/sysv/dir.c:146 sysv_inode_by_name+0x5b/0x330 fs/sysv/dir.c:360 sysv_lookup fs/sysv/namei.c:53 [inline] sysv_lookup+0x64/0xe0 fs/sysv/namei.c:46 lookup_slow+0x20a/0x400 fs/namei.c:1696 walk_component+0x6a1/0xbc0 fs/namei.c:1825 lookup_last fs/namei.c:2293 [inline] path_lookupat+0x1bb/0x780 fs/namei.c:2343 filename_lookup+0x18a/0x510 fs/namei.c:2377 user_path include/linux/namei.h:62 [inline] do_mount+0x118/0x2a30 fs/namespace.c:2845 SYSC_mount fs/namespace.c:3121 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3098 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 attempt to access beyond end of device loop4: rw=0, want=10310910, limit=112 Buffer I/O error on dev loop4, logical block 10310909, async page read attempt to access beyond end of device loop4: rw=0, want=9216536, limit=112 Buffer I/O error on dev loop4, logical block 9216535, async page read VFS: Found a V7 FS (block size = 512) on device loop4 l2tp_ppp: tunl 2: set debug=7665642f attempt to access beyond end of device loop4: rw=0, want=9698052, limit=112 attempt to access beyond end of device loop4: rw=0, want=565370, limit=112 attempt to access beyond end of device loop4: rw=0, want=10282938, limit=112 attempt to access beyond end of device loop4: rw=0, want=7284998, limit=112 attempt to access beyond end of device loop4: rw=0, want=3984204, limit=112 attempt to access beyond end of device VFS: Found a V7 FS (block size = 512) on device loop1 attempt to access beyond end of device loop4: rw=0, want=6992027, limit=112 loop1: rw=0, want=9698052, limit=112 L1TF CPU bug present and SMT on, data leak possible. See CVE-2018-3646 and https://www.kernel.org/doc/html/latest/admin-guide/hw-vuln/l1tf.html for details. attempt to access beyond end of device attempt to access beyond end of device loop4: rw=0, want=6756799, limit=112 attempt to access beyond end of device loop1: rw=0, want=565370, limit=112 loop4: rw=0, want=575895, limit=112 BUG: sleeping function called from invalid context at fs/buffer.c:1381 in_atomic(): 1, irqs_disabled(): 0, pid: 9539, name: syz-executor.4 2 locks held by syz-executor.4/9539: #0: (&type->i_mutex_dir_key#8){.+.+}, at: [] inode_lock_shared include/linux/fs.h:729 [inline] #0: (&type->i_mutex_dir_key#8){.+.+}, at: [] lookup_slow+0x129/0x400 fs/namei.c:1674 #1: (pointers_lock){.+.+}, at: [] get_block+0x153/0x1230 fs/sysv/itree.c:217 Preemption disabled at: [< (null)>] (null) attempt to access beyond end of device CPU: 1 PID: 9539 Comm: syz-executor.4 Tainted: G W 4.14.299-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 loop1: rw=0, want=10282938, limit=112 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6041 __getblk_gfp fs/buffer.c:1381 [inline] __bread_gfp+0x3e/0x2e0 fs/buffer.c:1428 sb_bread include/linux/buffer_head.h:343 [inline] get_branch+0x2ac/0x600 fs/sysv/itree.c:104 get_block+0x176/0x1230 fs/sysv/itree.c:218 attempt to access beyond end of device 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] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x20d/0x610 fs/sysv/dir.c:146 sysv_inode_by_name+0x5b/0x330 fs/sysv/dir.c:360 sysv_lookup fs/sysv/namei.c:53 [inline] sysv_lookup+0x64/0xe0 fs/sysv/namei.c:46 lookup_slow+0x20a/0x400 fs/namei.c:1696 loop1: rw=0, want=7284998, limit=112 walk_component+0x6a1/0xbc0 fs/namei.c:1825 attempt to access beyond end of device lookup_last fs/namei.c:2293 [inline] path_lookupat+0x1bb/0x780 fs/namei.c:2343 filename_lookup+0x18a/0x510 fs/namei.c:2377 loop1: rw=0, want=3984204, limit=112 user_path include/linux/namei.h:62 [inline] do_mount+0x118/0x2a30 fs/namespace.c:2845 attempt to access beyond end of device SYSC_mount fs/namespace.c:3121 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3098 loop1: rw=0, want=6992027, limit=112 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 attempt to access beyond end of device attempt to access beyond end of device loop4: rw=0, want=10310910, limit=112 attempt to access beyond end of device loop1: rw=0, want=6756799, limit=112 attempt to access beyond end of device loop1: rw=0, want=575895, limit=112 loop4: rw=0, want=9216536, limit=112 attempt to access beyond end of device loop1: rw=0, want=10310910, limit=112 attempt to access beyond end of device loop1: rw=0, want=9216536, limit=112 xt_CT: netfilter: NOTRACK target is deprecated, use CT instead or upgrade iptables ip_tables: iptables: counters copy to user failed while replacing table VFS: Found a V7 FS (block size = 512) on device loop1 attempt to access beyond end of device loop1: rw=0, want=9698052, limit=112 attempt to access beyond end of device VFS: Found a V7 FS (block size = 512) on device loop4 ip_tables: iptables: counters copy to user failed while replacing table loop1: rw=0, want=565370, limit=112 attempt to access beyond end of device attempt to access beyond end of device loop4: rw=0, want=9698052, limit=112 loop1: rw=0, want=10282938, limit=112 attempt to access beyond end of device attempt to access beyond end of device loop4: rw=0, want=565370, limit=112 loop1: rw=0, want=7284998, limit=112 attempt to access beyond end of device attempt to access beyond end of device loop4: rw=0, want=10282938, limit=112 ip_tables: iptables: counters copy to user failed while replacing table loop1: rw=0, want=3984204, limit=112 attempt to access beyond end of device loop4: rw=0, want=7284998, limit=112 attempt to access beyond end of device attempt to access beyond end of device loop1: rw=0, want=6992027, limit=112 loop4: rw=0, want=3984204, limit=112 attempt to access beyond end of device attempt to access beyond end of device loop1: rw=0, want=6756799, limit=112 loop4: rw=0, want=6992027, limit=112 attempt to access beyond end of device attempt to access beyond end of device loop1: rw=0, want=575895, limit=112 loop4: rw=0, want=6756799, limit=112 BUG: sleeping function called from invalid context at fs/buffer.c:1381 ip_tables: iptables: counters copy to user failed while replacing table in_atomic(): 1, irqs_disabled(): 0, pid: 9621, name: syz-executor.1 2 locks held by syz-executor.1/9621: #0: (&type->i_mutex_dir_key#8){.+.+}, at: [] inode_lock_shared include/linux/fs.h:729 [inline] #0: (&type->i_mutex_dir_key#8){.+.+}, at: [] lookup_slow+0x129/0x400 fs/namei.c:1674 #1: (pointers_lock){.+.+}, at: [] get_block+0x153/0x1230 fs/sysv/itree.c:217 Preemption disabled at: [< (null)>] (null) CPU: 1 PID: 9621 Comm: syz-executor.1 Tainted: G W 4.14.299-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 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6041 __getblk_gfp fs/buffer.c:1381 [inline] __bread_gfp+0x3e/0x2e0 fs/buffer.c:1428 sb_bread include/linux/buffer_head.h:343 [inline] get_branch+0x2ac/0x600 fs/sysv/itree.c:104 get_block+0x176/0x1230 fs/sysv/itree.c:218 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] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x20d/0x610 fs/sysv/dir.c:146 sysv_inode_by_name+0x5b/0x330 fs/sysv/dir.c:360 sysv_lookup fs/sysv/namei.c:53 [inline] sysv_lookup+0x64/0xe0 fs/sysv/namei.c:46 lookup_slow+0x20a/0x400 fs/namei.c:1696 walk_component+0x6a1/0xbc0 fs/namei.c:1825 lookup_last fs/namei.c:2293 [inline] path_lookupat+0x1bb/0x780 fs/namei.c:2343 filename_lookup+0x18a/0x510 fs/namei.c:2377 user_path include/linux/namei.h:62 [inline] do_mount+0x118/0x2a30 fs/namespace.c:2845 SYSC_mount fs/namespace.c:3121 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3098 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 attempt to access beyond end of device loop4: rw=0, want=575895, limit=112 attempt to access beyond end of device loop1: rw=0, want=10310910, limit=112 attempt to access beyond end of device loop1: rw=0, want=9216536, limit=112 attempt to access beyond end of device loop4: rw=0, want=10310910, limit=112 attempt to access beyond end of device loop4: rw=0, want=9216536, limit=112 cannot load conntrack support for proto=10 VFS: Found a V7 FS (block size = 512) on device loop1 attempt to access beyond end of device loop1: rw=0, want=9698052, limit=112 attempt to access beyond end of device loop1: rw=0, want=565370, limit=112 attempt to access beyond end of device loop1: rw=0, want=10282938, limit=112 VFS: Found a V7 FS (block size = 512) on device loop4 buffer_io_error: 42 callbacks suppressed Buffer I/O error on dev loop1, logical block 10282937, async page read attempt to access beyond end of device loop1: rw=0, want=7284998, limit=112 Buffer I/O error on dev loop1, logical block 7284997, async page read attempt to access beyond end of device loop1: rw=0, want=3984204, limit=112 Buffer I/O error on dev loop1, logical block 3984203, async page read attempt to access beyond end of device loop1: rw=0, want=6992027, limit=112 Buffer I/O error on dev loop1, logical block 6992026, async page read attempt to access beyond end of device loop1: rw=0, want=6756799, limit=112 Buffer I/O error on dev loop1, logical block 6756798, async page read attempt to access beyond end of device loop1: rw=0, want=575895, limit=112 Buffer I/O error on dev loop1, logical block 575894, async page read BUG: sleeping function called from invalid context at fs/buffer.c:1381 in_atomic(): 1, irqs_disabled(): 0, pid: 9683, name: syz-executor.1 2 locks held by syz-executor.1/9683: #0: (&type->i_mutex_dir_key#8){.+.+}, at: [] inode_lock_shared include/linux/fs.h:729 [inline] #0: (&type->i_mutex_dir_key#8){.+.+}, at: [] lookup_slow+0x129/0x400 fs/namei.c:1674 #1: (pointers_lock){.+.+}, at: [] get_block+0x153/0x1230 fs/sysv/itree.c:217 Preemption disabled at: [< (null)>] (null) CPU: 0 PID: 9683 Comm: syz-executor.1 Tainted: G W 4.14.299-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 ___might_sleep.cold+0x235/0x250 kernel/sched/core.c:6041 __getblk_gfp fs/buffer.c:1381 [inline] __bread_gfp+0x3e/0x2e0 fs/buffer.c:1428 sb_bread include/linux/buffer_head.h:343 [inline] get_branch+0x2ac/0x600 fs/sysv/itree.c:104 get_block+0x176/0x1230 fs/sysv/itree.c:218 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] dir_get_page fs/sysv/dir.c:58 [inline] sysv_find_entry+0x20d/0x610 fs/sysv/dir.c:146 sysv_inode_by_name+0x5b/0x330 fs/sysv/dir.c:360 sysv_lookup fs/sysv/namei.c:53 [inline] sysv_lookup+0x64/0xe0 fs/sysv/namei.c:46 lookup_slow+0x20a/0x400 fs/namei.c:1696 walk_component+0x6a1/0xbc0 fs/namei.c:1825 lookup_last fs/namei.c:2293 [inline] path_lookupat+0x1bb/0x780 fs/namei.c:2343 filename_lookup+0x18a/0x510 fs/namei.c:2377 user_path include/linux/namei.h:62 [inline] do_mount+0x118/0x2a30 fs/namespace.c:2845 SYSC_mount fs/namespace.c:3121 [inline] SyS_mount+0xa8/0x120 fs/namespace.c:3098 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292 entry_SYSCALL_64_after_hwframe+0x5e/0xd3 attempt to access beyond end of device loop1: rw=0, want=10310910, limit=112 Buffer I/O error on dev loop1, logical block 10310909, async page read attempt to access beyond end of device loop1: rw=0, want=9216536, limit=112 Buffer I/O error on dev loop1, logical block 9216535, async page read cannot load conntrack support for proto=10 netlink: 12 bytes leftover after parsing attributes in process `syz-executor.5'. cannot load conntrack support for proto=10 IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE IPv6: NLM_F_CREATE should be set when creating new route cannot load conntrack support for proto=10 IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE cannot load conntrack support for proto=10 IPv6: RTM_NEWROUTE with no NLM_F_CREATE or NLM_F_REPLACE cannot load conntrack support for proto=10 cannot load conntrack support for proto=10