------------[ cut here ]------------ WARNING: CPU: 1 PID: 104206 at net/ipv4/ipmr.c:440 ipmr_rules_exit+0x13a/0x1c0 Modules linked in: CPU: 1 UID: 0 PID: 104206 Comm: syz-executor.3 Not tainted 6.13.0-rc2-next-20241210 #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 4c 6e a3 00 e8 87 bc 6d fd 90 <0f> 0b 90 eb 93 e8 7c bc 6d fd 0f b6 2d de d7 38 02 31 ff 89 ee e8 RSP: 0018:ffff8880335d7958 EFLAGS: 00010216 RAX: 00000000000270d8 RBX: ffff8880293aae00 RCX: ffffc9000372e000 RDX: 0000000000040000 RSI: ffffffff84042899 RDI: 0000000000000005 RBP: ffff88804185a000 R08: 0000000000000000 R09: ffffed10052755e9 R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000001 R13: ffff8880293ab600 R14: ffff8880293aae00 R15: fffffbfff0c50f80 FS: 00007f7f3c623700(0000) GS:ffff88806cf00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000000020000640 CR3: 0000000054850000 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+0x2e3/0x700 create_new_namespaces+0x3f6/0xaf0 copy_namespaces+0x45c/0x580 copy_process+0x26c0/0x70e0 kernel_clone+0xeb/0x850 __do_sys_clone+0xba/0x100 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. do_syscall_64+0xbf/0x1d0 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7f7f3f0adb19 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:00007f7f3c623188 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 RAX: ffffffffffffffda RBX: 00007f7f3f1c0f60 RCX: 00007f7f3f0adb19 RDX: 00000000200017c0 RSI: 0000000000000000 RDI: 0000000044300300 RBP: 00007f7f3f107f6d R08: 0000000020001840 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 00007fff7d84014f R14: 00007f7f3c623300 R15: 0000000000022000 ext4 filesystem being mounted at /syzkaller-testdir747641079/syzkaller.w1HqK1/1349/file0 supports timestamps until 2038-01-19 (0x7fffffff) irq event stamp: 18489 hardirqs last enabled at (18495): [] vprintk_emit.part.0+0x57f/0x5c0 hardirqs last disabled at (18518): [] __up_console_sem+0x5d/0x80 softirqs last enabled at (17822): [] handle_softirqs+0x50c/0x770 softirqs last disabled at (17817): [] __irq_exit_rcu+0xc4/0x100 ---[ end trace 0000000000000000 ]--- loop5: detected capacity change from 0 to 3520 EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop0: detected capacity change from 0 to 264192 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir747641079/syzkaller.w1HqK1/1350/file0 supports timestamps until 2038-01-19 (0x7fffffff) loop5: detected capacity change from 0 to 3520 EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop5: detected capacity change from 0 to 3520 loop0: detected capacity change from 0 to 264192 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir747641079/syzkaller.w1HqK1/1351/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop5: detected capacity change from 0 to 3520 loop0: detected capacity change from 0 to 264192 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir747641079/syzkaller.w1HqK1/1353/file0 supports timestamps until 2038-01-19 (0x7fffffff) loop5: detected capacity change from 0 to 3520 EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop5: detected capacity change from 0 to 3520 loop0: detected capacity change from 0 to 264192 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir747641079/syzkaller.w1HqK1/1354/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop0: detected capacity change from 0 to 264192 loop5: detected capacity change from 0 to 3520 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir747641079/syzkaller.w1HqK1/1355/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop5: detected capacity change from 0 to 3520 loop5: detected capacity change from 0 to 3520 loop0: detected capacity change from 0 to 264192 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir747641079/syzkaller.w1HqK1/1357/file0 supports timestamps until 2038-01-19 (0x7fffffff) loop5: detected capacity change from 0 to 3520 EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. TCP: TCP_TX_DELAY enabled loop0: detected capacity change from 0 to 264192 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir747641079/syzkaller.w1HqK1/1359/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop5: detected capacity change from 0 to 3520 loop0: detected capacity change from 0 to 264192 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir747641079/syzkaller.w1HqK1/1360/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop0: detected capacity change from 0 to 264192 loop5: detected capacity change from 0 to 3520 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir747641079/syzkaller.w1HqK1/1361/file0 supports timestamps until 2038-01-19 (0x7fffffff) loop5: detected capacity change from 0 to 3520 EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop5: detected capacity change from 0 to 3520 loop0: detected capacity change from 0 to 264192 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir747641079/syzkaller.w1HqK1/1363/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop0: detected capacity change from 0 to 264192 loop5: detected capacity change from 0 to 3520 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir747641079/syzkaller.w1HqK1/1364/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop5: detected capacity change from 0 to 3520 loop0: detected capacity change from 0 to 264192 loop5: detected capacity change from 0 to 3520 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir747641079/syzkaller.w1HqK1/1365/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop5: detected capacity change from 0 to 3520 loop0: detected capacity change from 0 to 264192 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir747641079/syzkaller.w1HqK1/1366/file0 supports timestamps until 2038-01-19 (0x7fffffff) EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. loop5: detected capacity change from 0 to 3520 netlink: 20 bytes leftover after parsing attributes in process `syz-executor.1'. netlink: 20 bytes leftover after parsing attributes in process `syz-executor.1'. loop0: detected capacity change from 0 to 264192 EXT4-fs (loop0): mounted filesystem 00000000-0000-0000-0000-000000000000 r/w without journal. Quota mode: writeback. ext4 filesystem being mounted at /syzkaller-testdir747641079/syzkaller.w1HqK1/1368/file0 supports timestamps until 2038-01-19 (0x7fffffff) loop5: detected capacity change from 0 to 3520 EXT4-fs (loop0): unmounting filesystem 00000000-0000-0000-0000-000000000000. netlink: 20 bytes leftover after parsing attributes in process `syz-executor.1'.