------------[ cut here ]------------ WARNING: CPU: 1 PID: 27301 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0 Modules linked in: CPU: 1 UID: 0 PID: 27301 Comm: syz-executor.5 Not tainted 6.13.0-rc1-next-20241203 #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 13 a3 00 e8 97 fd 6d fd 90 <0f> 0b 90 eb 93 e8 8c fd 6d fd 0f b6 2d 57 10 59 02 31 ff 89 ee e8 RSP: 0018:ffff88802eeb78b8 EFLAGS: 00010216 RAX: 00000000000192ef RBX: ffff88803a52c500 RCX: ffffc9000dc61000 RDX: 0000000000040000 RSI: ffffffff83e3e2b9 RDI: 0000000000000005 RBP: ffff88802968a000 R08: 0000000000000000 R09: ffffed10074a58c8 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: ffff88803a52cd00 R14: ffff88803a52c500 R15: fffffbfff0c50e80 FS: 00007fab505ee700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000001b3382d000 CR3: 000000002fabe000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600 Call Trace: ipmr_net_exit_batch+0x53/0xa0 ops_exit_list+0x12b/0x180 setup_net+0x492/0x7a0 copy_net_ns+0x2e3/0x6f0 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: 0033:0x7fab53099b19 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:00007fab505ee188 EFLAGS: 00000246 ORIG_RAX: 00000000000001b3 RAX: ffffffffffffffda RBX: 00007fab531ad020 RCX: 00007fab53099b19 RDX: 0000000000000000 RSI: 0000000000000058 RDI: 0000000020004c00 RBP: 00007fab530f3f6d R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007ffca824ffff R14: 00007fab505ee300 R15: 0000000000022000 irq event stamp: 11053 hardirqs last enabled at (11063): [] __up_console_sem+0x78/0x80 hardirqs last disabled at (11084): [] sysvec_apic_timer_interrupt+0xf/0x80 softirqs last enabled at (9970): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (11129): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- loop0: detected capacity change from 0 to 3520 loop0: detected capacity change from 0 to 3520 loop0: detected capacity change from 0 to 3520 loop7: detected capacity change from 0 to 6 FAT-fs (loop7): Directory bread(block 6) failed FAT-fs (loop7): Directory bread(block 7) failed FAT-fs (loop7): Directory bread(block 8) failed FAT-fs (loop7): Directory bread(block 9) failed loop0: detected capacity change from 0 to 3520 loop7: detected capacity change from 0 to 6 FAT-fs (loop7): Directory bread(block 6) failed FAT-fs (loop7): Directory bread(block 7) failed FAT-fs (loop7): Directory bread(block 8) failed FAT-fs (loop7): Directory bread(block 9) failed loop3: detected capacity change from 0 to 6 FAT-fs (loop3): Directory bread(block 6) failed FAT-fs (loop3): Directory bread(block 7) failed loop7: detected capacity change from 0 to 6 FAT-fs (loop3): Directory bread(block 8) failed FAT-fs (loop3): Directory bread(block 9) failed FAT-fs (loop7): Directory bread(block 6) failed FAT-fs (loop7): Directory bread(block 7) failed FAT-fs (loop7): Directory bread(block 8) failed FAT-fs (loop7): Directory bread(block 9) failed loop5: detected capacity change from 0 to 184 Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 loop7: detected capacity change from 0 to 6 loop3: detected capacity change from 0 to 6 FAT-fs (loop7): Directory bread(block 6) failed FAT-fs (loop7): Directory bread(block 7) failed FAT-fs (loop7): Directory bread(block 8) failed FAT-fs (loop3): Directory bread(block 6) failed FAT-fs (loop3): Directory bread(block 7) failed FAT-fs (loop3): Directory bread(block 8) failed FAT-fs (loop3): Directory bread(block 9) failed FAT-fs (loop7): Directory bread(block 9) failed loop5: detected capacity change from 0 to 184 Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 loop6: detected capacity change from 0 to 184 loop3: detected capacity change from 0 to 6 FAT-fs (loop3): Directory bread(block 6) failed FAT-fs (loop3): Directory bread(block 7) failed FAT-fs (loop3): Directory bread(block 8) failed FAT-fs (loop3): Directory bread(block 9) failed loop5: detected capacity change from 0 to 184 Bluetooth: hci0: Opcode 0x0c1a failed: -4 loop3: detected capacity change from 0 to 184 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 loop4: detected capacity change from 0 to 184 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 loop7: detected capacity change from 0 to 184 loop6: detected capacity change from 0 to 184 loop5: detected capacity change from 0 to 184 loop6: detected capacity change from 0 to 184 Bluetooth: hci0: Opcode 0x0c1a failed: -4 Bluetooth: hci3: Opcode 0x0c1a failed: -4 Bluetooth: hci7: Opcode 0x0c1a failed: -4 loop3: detected capacity change from 0 to 184 loop4: detected capacity change from 0 to 184 Bluetooth: hci1: Opcode 0x0c1a failed: -4 Bluetooth: hci2: Opcode 0x0c1a failed: -4 Bluetooth: hci4: Opcode 0x0c1a failed: -4 Bluetooth: hci6: Opcode 0x0c1a failed: -4 Bluetooth: hci5: Opcode 0x0c1a failed: -4 loop7: detected capacity change from 0 to 184 loop3: detected capacity change from 0 to 184 No source specified No source specified syz_tun: entered promiscuous mode syz_tun: left promiscuous mode No source specified syz_tun: entered promiscuous mode syz_tun: left promiscuous mode syz_tun: entered promiscuous mode syz_tun: left promiscuous mode No source specified syz_tun: entered promiscuous mode syz_tun: left promiscuous mode syz_tun: entered promiscuous mode syz_tun: left promiscuous mode No source specified loop1: detected capacity change from 0 to 40 syz_tun: entered promiscuous mode syz_tun: entered promiscuous mode syz_tun: left promiscuous mode syz_tun: left promiscuous mode syz-executor.1: attempt to access beyond end of device loop1: rw=2049, sector=40, nr_sectors = 4 limit=40 buffer_io_error: 54 callbacks suppressed Buffer I/O error on dev loop1, logical block 10, lost async page write syz-executor.1: attempt to access beyond end of device loop1: rw=0, sector=28, nr_sectors = 16 limit=40 loop1: detected capacity change from 0 to 40 loop4: detected capacity change from 0 to 40 syz-executor.1: attempt to access beyond end of device loop1: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop1, logical block 10, lost async page write syz-executor.4: attempt to access beyond end of device loop4: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop4, logical block 10, lost async page write syz-executor.1: attempt to access beyond end of device loop1: rw=0, sector=28, nr_sectors = 16 limit=40 syz-executor.4: attempt to access beyond end of device loop4: rw=0, sector=28, nr_sectors = 16 limit=40 Bluetooth: hci0: command 0x0406 tx timeout loop4: detected capacity change from 0 to 40 Bluetooth: hci5: command 0x0c1a tx timeout Bluetooth: hci6: command 0x0406 tx timeout Bluetooth: hci4: command 0x0406 tx timeout Bluetooth: hci2: command 0x0406 tx timeout Bluetooth: hci1: command 0x0406 tx timeout Bluetooth: hci7: command 0x0406 tx timeout Bluetooth: hci3: command 0x0406 tx timeout loop1: detected capacity change from 0 to 40 syz-executor.4: attempt to access beyond end of device loop4: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop4, logical block 10, lost async page write syz-executor.4: attempt to access beyond end of device loop4: rw=0, sector=28, nr_sectors = 16 limit=40 syz-executor.1: attempt to access beyond end of device loop1: rw=2049, sector=40, nr_sectors = 4 limit=40 Buffer I/O error on dev loop1, logical block 10, lost async page write syz-executor.1: attempt to access beyond end of device loop1: rw=0, sector=28, nr_sectors = 16 limit=40 loop4: detected capacity change from 0 to 40 loop1: detected capacity change from 0 to 40 Buffer I/O error on dev loop4, logical block 10, lost async page write Buffer I/O error on dev loop1, logical block 10, lost async page write sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive. sr 1:0:0:0: [sr0] CDROM not ready. Make sure there is a disc in the drive.