------------[ cut here ]------------ WARNING: CPU: 1 PID: 10289 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0 Modules linked in: CPU: 1 UID: 0 PID: 10289 Comm: syz-executor.7 Not tainted 6.13.0-rc2-next-20241211 #1 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 RIP: 0010:ipmr_rules_exit+0x13a/0x1c0 Code: ff df 48 c1 ea 03 80 3c 02 00 75 7d 48 c7 83 00 08 00 00 00 00 00 00 5b 5d 41 5c 41 5d 41 5e e9 ac 70 a3 00 e8 47 bd 6d fd 90 <0f> 0b 90 eb 93 e8 3c bd 6d fd 0f b6 2d c0 db 38 02 31 ff 89 ee e8 RSP: 0018:ffff88804163f8b8 EFLAGS: 00010216 RAX: 000000000001789b RBX: ffff888033061700 RCX: ffffc9000ae24000 RDX: 0000000000040000 RSI: ffffffff84042639 RDI: 0000000000000005 RBP: ffff888041576000 R08: 0000000000000000 R09: ffffed100660c309 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: ffff888033061f00 R14: ffff888033061700 R15: fffffbfff0c50fb0 FS: 00007f8761ea5700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007f3784964998 CR3: 0000000016718000 CR4: 0000000000350ef0 Call Trace: ipmr_net_exit_batch+0x53/0xa0 ops_exit_list+0x12b/0x180 setup_net+0x492/0x7a0 copy_net_ns+0x2e3/0x700 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x26c0/0x70e0 kernel_clone+0xeb/0x850 __do_sys_clone3+0x1d9/0x260 do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f8764971b19 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 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 bc ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007f8761ea5188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007f8764a850e0 RCX: 00007f8764971b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007f87649cbf6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffca1b2bb2f R14: 00007f8761ea5300 R15: 0000000000022000 irq event stamp: 210169 hardirqs last enabled at (210179): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (210190): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (210206): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (210199): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- loop2: detected capacity change from 0 to 2048 EXT4-fs warning (device sda): __ext4_ioctl:1257: Setting inode version is not supported with metadata_csum enabled. EXT4-fs error (device loop2): __ext4_fill_super:5497: inode #2: comm syz-executor.2: iget: special inode unallocated EXT4-fs (loop2): get root inode failed EXT4-fs (loop2): mount failed loop2: detected capacity change from 0 to 2048 EXT4-fs error (device loop2): __ext4_fill_super:5497: inode #2: comm syz-executor.2: iget: special inode unallocated EXT4-fs (loop2): get root inode failed EXT4-fs (loop2): mount failed loop2: detected capacity change from 0 to 2048 EXT4-fs error (device loop2): __ext4_fill_super:5497: inode #2: comm syz-executor.2: iget: special inode unallocated EXT4-fs (loop2): get root inode failed EXT4-fs (loop2): mount failed loop2: detected capacity change from 0 to 2048 EXT4-fs error (device loop2): __ext4_fill_super:5497: inode #2: comm syz-executor.2: iget: special inode unallocated EXT4-fs (loop2): get root inode failed EXT4-fs (loop2): mount failed loop2: detected capacity change from 0 to 2048 EXT4-fs error (device loop2): __ext4_fill_super:5497: inode #2: comm syz-executor.2: iget: special inode unallocated EXT4-fs (loop2): get root inode failed EXT4-fs (loop2): mount failed netlink: 8 bytes leftover after parsing attributes in process `syz-executor.5'. netlink: 'syz-executor.5': attribute type 1 has an invalid length. SELinux: unrecognized netlink message: protocol=4 nlmsg_type=775 sclass=netlink_tcpdiag_socket pid=10445 comm=syz-executor.7 SELinux: unrecognized netlink message: protocol=4 nlmsg_type=775 sclass=netlink_tcpdiag_socket pid=10448 comm=syz-executor.7 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 UDC core: USB Raw Gadget: couldn't find an available UDC or it's busy misc raw-gadget: fail, usb_gadget_register_driver returned -16 No source specified No source specified audit: type=1400 audit(1733936166.558:10): avc: denied { write } for pid=10595 comm="syz-executor.6" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=perf_event permissive=1 loop0: detected capacity change from 0 to 6 FAT-fs (loop0): Directory bread(block 6) failed FAT-fs (loop0): Directory bread(block 6) failed FAT-fs (loop0): Directory bread(block 6) failed kworker/u10:9: attempt to access beyond end of device loop0: rw=1, sector=8, nr_sectors = 120 limit=6 loop4: detected capacity change from 0 to 12 loop0: detected capacity change from 0 to 6 FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop4): FAT read failed (blocknr 32) FAT-fs (loop0): Directory bread(block 6) failed FAT-fs (loop0): Directory bread(block 6) failed FAT-fs (loop0): Directory bread(block 6) failed loop4: detected capacity change from 0 to 12 FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop4): FAT read failed (blocknr 32) loop2: detected capacity change from 0 to 6 FAT-fs (loop2): Directory bread(block 6) failed FAT-fs (loop2): Directory bread(block 6) failed FAT-fs (loop2): Directory bread(block 6) failed loop4: detected capacity change from 0 to 12 FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop4): FAT read failed (blocknr 32) kworker/u9:2: attempt to access beyond end of device loop0: rw=1, sector=8, nr_sectors = 120 limit=6 audit: type=1400 audit(1733936167.881:11): avc: denied { watch_reads } for pid=10666 comm="syz-executor.5" path="/syzkaller-testdir463682077/syzkaller.ybxbdl/32" dev="sda" ino=15971 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=dir permissive=1 kworker/u9:5: attempt to access beyond end of device loop2: rw=1, sector=8, nr_sectors = 120 limit=6 loop0: detected capacity change from 0 to 6 FAT-fs (loop0): Directory bread(block 6) failed FAT-fs (loop0): Directory bread(block 6) failed FAT-fs (loop0): Directory bread(block 6) failed loop4: detected capacity change from 0 to 12 loop2: detected capacity change from 0 to 6 FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop4): FAT read failed (blocknr 32) FAT-fs (loop2): Directory bread(block 6) failed FAT-fs (loop2): Directory bread(block 6) failed FAT-fs (loop2): Directory bread(block 6) failed loop1: detected capacity change from 0 to 6 FAT-fs (loop1): Directory bread(block 6) failed FAT-fs (loop1): Directory bread(block 6) failed FAT-fs (loop1): Directory bread(block 6) failed kworker/u9:3: attempt to access beyond end of device loop0: rw=1, sector=8, nr_sectors = 120 limit=6 loop4: detected capacity change from 0 to 12 FAT-fs (loop4): Invalid FSINFO signature: 0x00000000, 0x00000000 (sector = 1) FAT-fs (loop4): FAT read failed (blocknr 32) kworker/u9:5: attempt to access beyond end of device loop2: rw=1, sector=8, nr_sectors = 120 limit=6 loop1: detected capacity change from 0 to 6 FAT-fs (loop1): Directory bread(block 6) failed FAT-fs (loop1): Directory bread(block 6) failed FAT-fs (loop1): Directory bread(block 6) failed loop0: detected capacity change from 0 to 6 FAT-fs (loop0): Directory bread(block 6) failed FAT-fs (loop0): Directory bread(block 6) failed FAT-fs (loop0): Directory bread(block 6) failed loop1: detected capacity change from 0 to 6 loop2: detected capacity change from 0 to 6 FAT-fs (loop2): Directory bread(block 6) failed FAT-fs (loop1): Directory bread(block 6) failed FAT-fs (loop2): Directory bread(block 6) failed FAT-fs (loop2): Directory bread(block 6) failed FAT-fs (loop1): Directory bread(block 6) failed FAT-fs (loop1): Directory bread(block 6) failed loop1: detected capacity change from 0 to 6 FAT-fs (loop1): Directory bread(block 6) failed FAT-fs (loop1): Directory bread(block 6) failed FAT-fs (loop1): Directory bread(block 6) failed kworker/u10:9: attempt to access beyond end of device loop0: rw=1, sector=8, nr_sectors = 120 limit=6 kworker/u10:9: attempt to access beyond end of device loop2: rw=1, sector=8, nr_sectors = 120 limit=6