program: r0 = bpf$MAP_CREATE_CONST_STR(0x0, &(0x7f0000000340)={0x2, 0x4, 0x8, 0x1, 0x80, 0x0, 0x0, '\x00', 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value, @void, @value}, 0xe) r1 = socket$nl_generic(0x10, 0x3, 0x10) ioctl$sock_SIOCSIFVLAN_ADD_VLAN_CMD(r1, 0x8983, &(0x7f0000000080)={0x0, 'veth0_vlan\x00', {}, 0x6}) r2 = bpf$PROG_LOAD(0x5, &(0x7f00000003c0)={0x5, 0x17, &(0x7f0000000200)=@ringbuf={{0x18, 0x0, 0x0, 0x0, 0x200, 0x0, 0x0, 0x0, 0x7}, {}, {}, [@ldst={0x83883ae63281def2, 0x2, 0x6, 0x4, 0x1, 0xffffffffffffffc0, 0x10}, @tail_call={{0x18, 0x2, 0x1, 0x0, 0x1}}, @alu={0x4, 0x1, 0x0, 0xb, 0x3, 0xfffffffffffffff4, 0x3}, @call={0x85, 0x0, 0x0, 0x95}], {{}, {0x7, 0x0, 0xb, 0x2, 0x0, 0x0, 0x2}, {0x85, 0x0, 0x0, 0x84}}}, &(0x7f0000000000)='syzkaller\x00', 0x20000, 0x0, 0x0, 0x41100, 0x0, '\x00', 0x0, @fallback=0xd, 0xffffffffffffffff, 0x8, &(0x7f0000000040)={0xa, 0x5}, 0x8, 0x10, 0x0, 0x0, 0xffffffffffffffff, 0xffffffffffffffff, 0x0, &(0x7f00000000c0)=[r0], 0x0, 0x10, 0x8c1, @void, @value}, 0x94) bpf$PROG_LOAD(0x5, &(0x7f00000004c0)={0x3, 0x10, &(0x7f0000000740)=@framed={{0x18, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x3}, [@snprintf={{0x7, 0x0, 0xb, 0x8, 0x0, 0x0, 0x2}, {0x3, 0x3, 0x3, 0xa, 0x8, 0xfe00}, {0x7, 0x0, 0x8}, {}, {0x5}, {0x7, 0x0, 0x0, 0x0}, {}, {}, {}, {0x18, 0x3, 0x2, 0x0, r0}, {0x7, 0x0, 0xb, 0x4}, {0x85, 0x0, 0x0, 0x1a}}]}, &(0x7f0000000ac0)='syzkaller\x00', 0xf, 0x0, 0x0, 0x0, 0x4, '\x00', 0x0, @sched_cls, 0xffffffffffffffff, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, r2, 0x0, 0x0, 0x0, 0x0, 0x0, @void, @value}, 0x94) r3 = socket$kcm(0x10, 0x2, 0x0) sendmsg$inet(r3, &(0x7f0000000140)={0x0, 0x0, &(0x7f0000000100)=[{&(0x7f0000000180)="5c00000013006bcd9e3fe3dc4e48aa31076b8703250000001f00000000000000040014000d000a000f0000009ee517d34460bc08eab556a705251e6182949a3651f60a84c9f5d1938837e786a6d0bdd7fcf50e4509c5bb5a00f69853", 0x5c}], 0x1, 0x0, 0x0, 0x1f000801}, 0x0) syz_mount_image$vfat(&(0x7f0000000180), &(0x7f0000000080)='./file1\x00', 0x280000a, &(0x7f00000007c0)=ANY=[@ANYRESHEX=r0, @ANYRESHEX=0x0, @ANYBLOB="2cff6ef9ffff02000000ff302c757466383c302c736f3abfc92baeb9853d6d697865642c756e695f786c6174653d302c73686f72746e616d653d77696e6e742c00"], 0x97, 0x2a9, &(0x7f0000000500)="$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") mount(&(0x7f0000000540)=@filename='./file1\x00', &(0x7f0000000580)='./file1\x00', &(0x7f00000005c0)='erofs\x00', 0x200000, 0x0) [ 68.641879][ T5092] Bluetooth: hci0: command tx timeout [ 69.658709][ T5105] loop0: detected capacity change from 0 to 256 [ 69.674276][ T5105] vfat: Unknown parameter '0x00000000000000030x0000000000000000' [ 69.722128][ T5105] ./file1: Can't lookup blockdev [ 69.750325][ T5105] BUG: kernel NULL pointer dereference, address: 0000000000000000 [ 69.753692][ T5105] #PF: supervisor instruction fetch in kernel mode [ 69.756125][ T5105] #PF: error_code(0x0010) - not-present page [ 69.758412][ T5105] PGD 4b675067 P4D 4b675067 PUD 3d766067 PMD 0 [ 69.760959][ T5105] Oops: Oops: 0010 [#1] PREEMPT SMP KASAN NOPTI [ 69.763389][ T5105] CPU: 0 UID: 0 PID: 5105 Comm: syz.0.0 Not tainted 6.11.0-syzkaller-05319-g4a39ac5b7d62 #0 [ 69.767242][ T5105] Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 [ 69.771465][ T5105] RIP: 0010:0x0 [ 69.772874][ T5105] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 69.775758][ T5105] RSP: 0018:ffffc90002f4f9f8 EFLAGS: 00010287 [ 69.778162][ T5105] RAX: ffffffff81cbbb40 RBX: 0000000000000000 RCX: 0000000000040000 [ 69.781279][ T5105] RDX: ffffc9000b66a000 RSI: ffffea00012f21c0 RDI: 0000000000000000 [ 69.784372][ T5105] RBP: ffffc90002f4fac0 R08: ffffea00012f21c7 R09: 1ffffd400025e438 [ 69.787468][ T5105] R10: dffffc0000000000 R11: 0000000000000000 R12: ffffea00012f21c0 [ 69.790576][ T5105] R13: 1ffffd400025e439 R14: 0000000000000000 R15: ffffea00012f21c8 [ 69.793663][ T5105] FS: 00007fd4522f96c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 [ 69.797111][ T5105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.799635][ T5105] CR2: ffffffffffffffd6 CR3: 00000000232d8000 CR4: 0000000000350ef0 [ 69.802730][ T5105] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.805790][ T5105] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.808885][ T5105] Call Trace: [ 69.810201][ T5105] [ 69.811366][ T5105] ? __die_body+0x5f/0xb0 [ 69.813212][ T5105] ? page_fault_oops+0x8e4/0xcc0 [ 69.815163][ T5105] ? __pfx_page_fault_oops+0x10/0x10 [ 69.817260][ T5105] ? rcu_is_watching+0x15/0xb0 [ 69.819227][ T5105] ? is_errata93+0xbe/0x260 [ 69.821054][ T5105] ? exc_page_fault+0x5ed/0x8c0 [ 69.823011][ T5105] ? asm_exc_page_fault+0x26/0x30 [ 69.825008][ T5105] ? filemap_read_folio+0x190/0x790 [ 69.827077][ T5105] filemap_read_folio+0x1a0/0x790 [ 69.829075][ T5105] ? __pfx_filemap_read_folio+0x10/0x10 [ 69.831241][ T5105] ? __filemap_get_folio+0x984/0xc10 [ 69.833398][ T5105] do_read_cache_folio+0x134/0x820 [ 69.835467][ T5105] erofs_bread+0x499/0xd40 [ 69.837295][ T5105] erofs_fc_fill_super+0x345/0x1770 [ 69.839334][ T5105] ? __pfx_erofs_fc_fill_super+0x10/0x10 [ 69.841567][ T5105] ? sget_fc+0x909/0x9c0 [ 69.843249][ T5105] ? __pfx_set_anon_super_fc+0x10/0x10 [ 69.845425][ T5105] ? __pfx_erofs_fc_fill_super+0x10/0x10 [ 69.847645][ T5105] get_tree_nodev+0xb7/0x140 [ 69.849477][ T5105] vfs_get_tree+0x90/0x2b0 [ 69.851251][ T5105] do_new_mount+0x2be/0xb40 [ 69.853103][ T5105] ? __pfx_do_new_mount+0x10/0x10 [ 69.855050][ T5105] __se_sys_mount+0x2d6/0x3c0 [ 69.856923][ T5105] ? lockdep_hardirqs_on_prepare+0x43d/0x780 [ 69.859262][ T5105] ? __pfx___se_sys_mount+0x10/0x10 [ 69.861309][ T5105] ? do_syscall_64+0x100/0x230 [ 69.863206][ T5105] ? __x64_sys_mount+0x20/0xc0 [ 69.865033][ T5105] do_syscall_64+0xf3/0x230 [ 69.866835][ T5105] ? clear_bhb_loop+0x35/0x90 [ 69.868563][ T5105] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 69.870652][ T5105] RIP: 0033:0x7fd45157def9 [ 69.872398][ T5105] 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 a8 ff ff ff f7 d8 64 89 01 48 [ 69.880084][ T5105] RSP: 002b:00007fd4522f9038 EFLAGS: 00000246 ORIG_RAX: 00000000000000a5 [ 69.883338][ T5105] RAX: ffffffffffffffda RBX: 00007fd451735f80 RCX: 00007fd45157def9 [ 69.886491][ T5105] RDX: 00000000200005c0 RSI: 0000000020000580 RDI: 0000000020000540 [ 69.889565][ T5105] RBP: 00007fd4515f0b76 R08: 0000000000000000 R09: 0000000000000000 [ 69.892677][ T5105] R10: 0000000000200000 R11: 0000000000000246 R12: 0000000000000000 [ 69.895690][ T5105] R13: 0000000000000000 R14: 00007fd451735f80 R15: 00007ffd61e977f8 [ 69.898619][ T5105] [ 69.899750][ T5105] Modules linked in: [ 69.901241][ T5105] CR2: 0000000000000000 [ 69.902796][ T5105] ---[ end trace 0000000000000000 ]--- [ 69.904897][ T5105] RIP: 0010:0x0 [ 69.906295][ T5105] Code: Unable to access opcode bytes at 0xffffffffffffffd6. [ 69.909216][ T5105] RSP: 0018:ffffc90002f4f9f8 EFLAGS: 00010287 [ 69.911522][ T5105] RAX: ffffffff81cbbb40 RBX: 0000000000000000 RCX: 0000000000040000 [ 69.914622][ T5105] RDX: ffffc9000b66a000 RSI: ffffea00012f21c0 RDI: 0000000000000000 [ 69.917546][ T5105] RBP: ffffc90002f4fac0 R08: ffffea00012f21c7 R09: 1ffffd400025e438 [ 69.920575][ T5105] R10: dffffc0000000000 R11: 0000000000000000 R12: ffffea00012f21c0 [ 69.923619][ T5105] R13: 1ffffd400025e439 R14: 0000000000000000 R15: ffffea00012f21c8 [ 69.926694][ T5105] FS: 00007fd4522f96c0(0000) GS:ffff88801fe00000(0000) knlGS:0000000000000000 [ 69.930185][ T5105] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.932756][ T5105] CR2: ffffffffffffffd6 CR3: 00000000232d8000 CR4: 0000000000350ef0 [ 69.935815][ T5105] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.938918][ T5105] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.942030][ T5105] Kernel panic - not syncing: Fatal exception [ 69.944665][ T5105] Kernel Offset: disabled [ 69.946395][ T5105] Rebooting in 86400 seconds..