[ 405.812487][ T4927] bridge0: port 1(bridge_slave_0) entered blocking state [ 405.819618][ T4927] bridge0: port 1(bridge_slave_0) entered disabled state [ 405.827350][ T4927] device bridge_slave_0 entered promiscuous mode [ 405.834656][ T4927] bridge0: port 2(bridge_slave_1) entered blocking state [ 405.842333][ T4927] bridge0: port 2(bridge_slave_1) entered disabled state [ 405.849987][ T4927] device bridge_slave_1 entered promiscuous mode [ 405.885980][ T4927] bridge0: port 2(bridge_slave_1) entered blocking state [ 405.893038][ T4927] bridge0: port 2(bridge_slave_1) entered forwarding state [ 405.900413][ T4927] bridge0: port 1(bridge_slave_0) entered blocking state [ 405.907535][ T4927] bridge0: port 1(bridge_slave_0) entered forwarding state [ 405.925503][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 405.933192][ T315] bridge0: port 1(bridge_slave_0) entered disabled state [ 405.941279][ T315] bridge0: port 2(bridge_slave_1) entered disabled state [ 405.950619][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 405.958823][ T315] bridge0: port 1(bridge_slave_0) entered blocking state [ 405.965919][ T315] bridge0: port 1(bridge_slave_0) entered forwarding state [ 405.975190][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 405.983668][ T315] bridge0: port 2(bridge_slave_1) entered blocking state [ 405.990717][ T315] bridge0: port 2(bridge_slave_1) entered forwarding state [ 406.003397][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 406.012999][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 406.026850][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 406.037973][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 406.046360][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 406.054119][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 406.062955][ T4927] device veth0_vlan entered promiscuous mode [ 406.072998][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 406.082414][ T4927] device veth1_macvtap entered promiscuous mode [ 406.091748][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 406.102160][ T315] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 406.173522][ T4932] EXT4-fs (loop0): Test dummy encryption mode enabled [ 406.180979][ T4932] EXT4-fs error (device loop0): ext4_fill_super:4955: inode #2: comm syz.0.1491: casefold flag without casefold feature [ 406.193903][ T4932] EXT4-fs (loop0): get root inode failed [ 406.199540][ T4932] EXT4-fs (loop0): mount failed [ 407.001535][ T300] device bridge_slave_1 left promiscuous mode [ 407.007696][ T300] bridge0: port 2(bridge_slave_1) entered disabled state [ 407.015348][ T300] device bridge_slave_0 left promiscuous mode [ 407.021629][ T300] bridge0: port 1(bridge_slave_0) entered disabled state [ 407.029470][ T300] device bridge_slave_1 left promiscuous mode [ 407.035766][ T300] bridge0: port 2(bridge_slave_1) entered disabled state [ 407.043181][ T300] device bridge_slave_0 left promiscuous mode [ 407.049370][ T300] bridge0: port 1(bridge_slave_0) entered disabled state [ 407.057449][ T300] device veth1_macvtap left promiscuous mode [ 407.063672][ T300] device veth0_vlan left promiscuous mode [ 407.069595][ T300] device veth1_macvtap left promiscuous mode [ 407.075833][ T300] device veth0_vlan left promiscuous mode [ 408.871009][ T300] device bridge_slave_1 left promiscuous mode [ 408.877513][ T300] bridge0: port 2(bridge_slave_1) entered disabled state [ 408.885083][ T300] device bridge_slave_0 left promiscuous mode [ 408.891431][ T300] bridge0: port 1(bridge_slave_0) entered disabled state [ 408.899162][ T300] device veth1_macvtap left promiscuous mode [ 408.905238][ T300] device veth0_vlan left promiscuous mode Warning: Permanently added '10.128.10.28' (ED25519) to the list of known hosts. executing program [ 411.101059][ T4940] EXT4-fs (loop0): Test dummy encryption mode enabled [ 411.108542][ T4940] EXT4-fs error (device loop0): ext4_fill_super:4955: inode #2: comm syz-executor824: casefold flag without casefold feature [ 411.122255][ T4940] EXT4-fs (loop0): get root inode failed [ 411.127884][ T4940] EXT4-fs (loop0): mount failed [ 411.274848][ T4940] ------------[ cut here ]------------ [ 411.280537][ T4940] WARNING: CPU: 0 PID: 4940 at fs/overlayfs/util.c:453 ovl_dir_modified+0x2c5/0x3b0 [ 411.290086][ T4940] Modules linked in: [ 411.294052][ T4940] CPU: 0 PID: 4940 Comm: syz-executor824 Not tainted 5.10.237-syzkaller-1007464-g7e2543346ff7 #0 [ 411.304628][ T4940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 411.314932][ T4940] RIP: 0010:ovl_dir_modified+0x2c5/0x3b0 [ 411.320911][ T4940] Code: c1 e8 03 42 80 3c 30 00 74 08 4c 89 e7 e8 63 b3 aa ff 49 ff 04 24 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 8b c3 70 ff <0f> 0b e9 29 ff ff ff e8 7f c3 70 ff 0f 0b e9 57 ff ff ff 44 89 f9 [ 411.340765][ T4940] RSP: 0018:ffffc90000157a48 EFLAGS: 00010293 [ 411.346865][ T4940] RAX: ffffffff81f2cf75 RBX: 0000000000000000 RCX: ffff88811c2c93c0 [ 411.354929][ T4940] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 411.362942][ T4940] RBP: ffffc90000157a90 R08: dffffc0000000000 R09: ffffed10256294a1 [ 411.371054][ T4940] R10: ffffed10256294a1 R11: 1ffff110256294a0 R12: ffff88812b14a460 [ 411.379037][ T4940] R13: ffff88812ab68550 R14: dffffc0000000000 R15: ffff88812ab68580 [ 411.387132][ T4940] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 411.396085][ T4940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 411.402804][ T4940] CR2: 00007f9711418130 CR3: 000000000620f000 CR4: 00000000003506b0 [ 411.410899][ T4940] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 411.418861][ T4940] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 411.426850][ T4940] Call Trace: [ 411.430231][ T4940] ovl_do_remove+0x6dc/0xc60 [ 411.434847][ T4940] ? ovl_set_redirect+0x620/0x620 [ 411.439878][ T4940] ? down_write+0xac/0x110 [ 411.444354][ T4940] ? down_read_killable+0xe0/0xe0 [ 411.449387][ T4940] ? selinux_inode_rmdir+0x22/0x30 [ 411.454518][ T4940] ovl_rmdir+0x1a/0x20 [ 411.458589][ T4940] vfs_rmdir+0x1b3/0x3e0 [ 411.462849][ T4940] incfs_kill_sb+0xfe/0x210 [ 411.467399][ T4940] deactivate_locked_super+0xa0/0x100 [ 411.472832][ T4940] deactivate_super+0xaf/0xe0 [ 411.477516][ T4940] cleanup_mnt+0x446/0x500 [ 411.482005][ T4940] __cleanup_mnt+0x19/0x20 [ 411.486454][ T4940] task_work_run+0x127/0x190 [ 411.491067][ T4940] do_exit+0xa27/0x2470 [ 411.495258][ T4940] ? put_task_struct+0x90/0x90 [ 411.500003][ T4940] ? do_user_addr_fault+0x791/0xc80 [ 411.505470][ T4940] do_group_exit+0x141/0x310 [ 411.510074][ T4940] __x64_sys_exit_group+0x3f/0x40 [ 411.515170][ T4940] do_syscall_64+0x31/0x40 [ 411.519700][ T4940] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 411.525673][ T4940] RIP: 0033:0x7f971139e809 [ 411.530123][ T4940] Code: Unable to access opcode bytes at RIP 0x7f971139e7df. [ 411.537723][ T4940] RSP: 002b:00007fff7be1f3b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 411.546274][ T4940] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f971139e809 [ 411.554331][ T4940] RDX: 000000000000003c RSI: 00000000000000e7 RDI: 0000000000000001 [ 411.562356][ T4940] RBP: 00007f971141a2b0 R08: ffffffffffffffb8 R09: 00007f97113ee83c [ 411.570329][ T4940] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f971141a2b0 [ 411.578611][ T4940] R13: 0000000000000000 R14: 00007f971141b020 R15: 00007f971136cb40 [ 411.586710][ T4940] ---[ end trace 58699920ff8e149c ]--- [ 411.592405][ T4940] ------------[ cut here ]------------ [ 411.597980][ T4940] WARNING: CPU: 0 PID: 4940 at fs/overlayfs/util.c:453 ovl_dir_modified+0x2c5/0x3b0 [ 411.607522][ T4940] Modules linked in: [ 411.611459][ T4940] CPU: 0 PID: 4940 Comm: syz-executor824 Tainted: G W 5.10.237-syzkaller-1007464-g7e2543346ff7 #0 [ 411.623472][ T4940] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/12/2025 [ 411.633653][ T4940] RIP: 0010:ovl_dir_modified+0x2c5/0x3b0 [ 411.639357][ T4940] Code: c1 e8 03 42 80 3c 30 00 74 08 4c 89 e7 e8 63 b3 aa ff 49 ff 04 24 48 83 c4 20 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 8b c3 70 ff <0f> 0b e9 29 ff ff ff e8 7f c3 70 ff 0f 0b e9 57 ff ff ff 44 89 f9 [ 411.659148][ T4940] RSP: 0018:ffffc90000157a48 EFLAGS: 00010293 [ 411.665247][ T4940] RAX: ffffffff81f2cf75 RBX: 0000000000000000 RCX: ffff88811c2c93c0 [ 411.673325][ T4940] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000000 [ 411.681335][ T4940] RBP: ffffc90000157a90 R08: dffffc0000000000 R09: ffffed10256294a1 [ 411.689491][ T4940] R10: ffffed10256294a1 R11: 1ffff110256294a0 R12: ffff88812b14a460 [ 411.697689][ T4940] R13: ffff88812ab68550 R14: dffffc0000000000 R15: ffff88812ab68580 [ 411.705700][ T4940] FS: 0000000000000000(0000) GS:ffff8881f7000000(0000) knlGS:0000000000000000 [ 411.714795][ T4940] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 411.721580][ T4940] CR2: 00007f9711418130 CR3: 000000000620f000 CR4: 00000000003506b0 [ 411.729696][ T4940] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 411.738041][ T4940] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 411.746056][ T4940] Call Trace: [ 411.749343][ T4940] ovl_do_remove+0x6dc/0xc60 [ 411.754032][ T4940] ? ovl_set_redirect+0x620/0x620 [ 411.759260][ T4940] ? down_write+0xac/0x110 [ 411.763733][ T4940] ? down_read_killable+0xe0/0xe0 [ 411.768792][ T4940] ? selinux_inode_rmdir+0x22/0x30 [ 411.773949][ T4940] ovl_rmdir+0x1a/0x20 [ 411.778033][ T4940] vfs_rmdir+0x1b3/0x3e0 [ 411.782317][ T4940] incfs_kill_sb+0x18a/0x210 [ 411.787000][ T4940] deactivate_locked_super+0xa0/0x100 [ 411.792481][ T4940] deactivate_super+0xaf/0xe0 [ 411.797169][ T4940] cleanup_mnt+0x446/0x500 [ 411.801606][ T4940] __cleanup_mnt+0x19/0x20 [ 411.806039][ T4940] task_work_run+0x127/0x190 [ 411.810682][ T4940] do_exit+0xa27/0x2470 [ 411.814884][ T4940] ? put_task_struct+0x90/0x90 [ 411.819655][ T4940] ? do_user_addr_fault+0x791/0xc80 [ 411.824896][ T4940] do_group_exit+0x141/0x310 [ 411.829499][ T4940] __x64_sys_exit_group+0x3f/0x40 [ 411.834569][ T4940] do_syscall_64+0x31/0x40 [ 411.838992][ T4940] entry_SYSCALL_64_after_hwframe+0x61/0xcb [ 411.844933][ T4940] RIP: 0033:0x7f971139e809 [ 411.849349][ T4940] Code: Unable to access opcode bytes at RIP 0x7f971139e7df. [ 411.856757][ T4940] RSP: 002b:00007fff7be1f3b8 EFLAGS: 00000246 ORIG_RAX: 00000000000000e7 [ 411.865328][ T4940] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007f971139e809 [ 411.873608][ T4940] RDX: 00000000000