Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.019162] ------------[ cut here ]------------ [ 39.020051] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.022038] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/233 [ 39.023491] Modules linked in: [ 39.024126] CPU: 1 UID: 104 PID: 233 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 39.026325] Tainted: [W]=WARN [ 39.027175] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.028616] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.029506] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 39.032650] RSP: 0018:ffff88800caf7bc0 EFLAGS: 00010286 [ 39.033598] RAX: 0000000000000000 RBX: ffffed100195ef78 RCX: ffffffff813a4050 [ 39.034883] RDX: ffff888013f63780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.036151] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100195ef2f [ 39.037428] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.038704] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800caf7df8 [ 39.039964] FS: 00007ffa848e8900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.041391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.042441] CR2: 00007ffa84e4e4a6 CR3: 000000001ce60000 CR4: 0000000000350ef0 [ 39.043717] Call Trace: [ 39.044182] [ 39.044586] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.045472] ? __create_object+0x59/0x80 [ 39.046261] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.047229] __vmalloc_noprof+0x59/0x60 [ 39.047987] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.048847] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.049778] bpf_prog_alloc+0x39/0x200 [ 39.050474] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.051384] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.052262] do_seccomp+0x349/0x25e0 [ 39.052959] ? find_held_lock+0x2b/0x80 [ 39.053707] ? do_prlimit+0x310/0x610 [ 39.054406] ? __pfx_do_seccomp+0x10/0x10 [ 39.055175] ? do_raw_spin_unlock+0x53/0x220 [ 39.055993] ? _raw_spin_unlock+0x1e/0x40 [ 39.056761] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.057670] ? static_key_count+0x60/0x80 [ 39.058472] prctl_set_seccomp+0x4e/0x70 [ 39.059240] __do_sys_prctl+0xe6c/0x1d70 [ 39.060007] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.060862] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.061829] ? irqentry_exit+0xf3/0x650 [ 39.062555] do_syscall_64+0xbf/0x430 [ 39.063291] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.064230] RIP: 0033:0x7ffa84dda5cd [ 39.064938] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 39.068079] RSP: 002b:00007ffe63905ee0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.069422] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ffa84dda5cd [ 39.070723] RDX: 00005556ab4e8e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.071992] RBP: 00007ffe63905f40 R08: 0000000000000000 R09: 00007ffe639055e0 [ 39.073251] R10: 0000000000000000 R11: 0000000000000246 R12: 00005556bcd77ad0 [ 39.074517] R13: 00007ffe63906370 R14: 00005556bcd78bc0 R15: 00005556bcd89780 [ 39.075825] [ 39.076245] irq event stamp: 1819 [ 39.076891] hardirqs last enabled at (1829): [] __up_console_sem+0x78/0x80 [ 39.078403] hardirqs last disabled at (1838): [] __up_console_sem+0x5d/0x80 [ 39.079916] softirqs last enabled at (1808): [] handle_softirqs+0x50c/0x770 [ 39.081434] softirqs last disabled at (1799): [] __irq_exit_rcu+0xc4/0x100 [ 39.082962] ---[ end trace 0000000000000000 ]--- [ 42.313176] ------------[ cut here ]------------ [ 42.314123] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.316172] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/242 [ 42.317616] Modules linked in: [ 42.318292] CPU: 0 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 42.320268] Tainted: [W]=WARN [ 42.320871] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.322338] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.323239] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 42.326400] RSP: 0018:ffff88801cf2fbc0 EFLAGS: 00010286 [ 42.327375] RAX: 0000000000000000 RBX: ffffed10039e5f78 RCX: ffffffff813a4050 [ 42.328641] RDX: ffff88801cfe0000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.329924] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10039e5f2f [ 42.331227] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.332491] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801cf2fdf8 [ 42.333771] FS: 00007fea4b08f900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 42.335222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.336287] CR2: 00007fea4b5f54a6 CR3: 000000000d927000 CR4: 0000000000350ef0 [ 42.337566] Call Trace: [ 42.338055] [ 42.338476] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.339378] ? __create_object+0x59/0x80 [ 42.340169] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.341153] __vmalloc_noprof+0x59/0x60 [ 42.341916] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.342811] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.343763] bpf_prog_alloc+0x39/0x200 [ 42.344452] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.345380] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.346290] do_seccomp+0x349/0x25e0 [ 42.347002] ? find_held_lock+0x2b/0x80 [ 42.347768] ? do_prlimit+0x310/0x610 [ 42.348467] ? __pfx_do_seccomp+0x10/0x10 [ 42.349247] ? do_raw_spin_unlock+0x53/0x220 [ 42.350082] ? _raw_spin_unlock+0x1e/0x40 [ 42.350871] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.351831] ? static_key_count+0x60/0x80 [ 42.352587] prctl_set_seccomp+0x4e/0x70 [ 42.353361] __do_sys_prctl+0xe6c/0x1d70 [ 42.354135] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.355015] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.355983] ? irqentry_exit+0xf3/0x650 [ 42.356756] do_syscall_64+0xbf/0x430 [ 42.357449] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.358423] RIP: 0033:0x7fea4b5815cd [ 42.359127] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 42.362317] RSP: 002b:00007ffd40f7ef40 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.363671] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fea4b5815cd [ 42.364964] RDX: 00005599e604ae00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.366255] RBP: 00007ffd40f7efa0 R08: 0000000000000000 R09: 00007ffd40f7e640 [ 42.367528] R10: 0000000000000000 R11: 0000000000000246 R12: 00005599f2407b10 [ 42.368806] R13: 00007ffd40f7f3d0 R14: 00005599f24082b0 R15: 00005599f241c6f0 [ 42.370088] [ 42.370518] irq event stamp: 1727 [ 42.371158] hardirqs last enabled at (1737): [] __up_console_sem+0x78/0x80 [ 42.372668] hardirqs last disabled at (1746): [] __up_console_sem+0x5d/0x80 [ 42.374204] softirqs last enabled at (1628): [] handle_softirqs+0x50c/0x770 [ 42.375561] softirqs last disabled at (1623): [] __irq_exit_rcu+0xc4/0x100 [ 42.376538] ---[ end trace 0000000000000000 ]--- [ 43.225408] ------------[ cut here ]------------ [ 43.226589] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 43.228653] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/250 [ 43.230151] Modules linked in: [ 43.230807] CPU: 0 UID: 104 PID: 250 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 43.232844] Tainted: [W]=WARN [ 43.233407] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 43.234920] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 43.235842] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 00 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 a0 7c 94 ff 90 <0f> 0b 90 90 8b 44 24 40 48 c7 03 00 00 00 00 c7 43 08 00 00 00 00 [ 43.239100] RSP: 0018:ffff88801d277bc0 EFLAGS: 00010286 [ 43.240095] RAX: 0000000000000000 RBX: ffffed1003a4ef78 RCX: ffffffff813a4050 [ 43.241406] RDX: ffff888019aa9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 43.242729] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1003a4ef2f [ 43.244043] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 43.245353] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801d277df8 [ 43.246697] FS: 00007f8a6218c900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 43.248161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 43.249248] CR2: 00007ffe969b1ef7 CR3: 000000002124c000 CR4: 0000000000350ef0 [ 43.250581] Call Trace: [ 43.251099] [ 43.251517] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 43.252430] ? __create_object+0x59/0x80 [ 43.253236] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 43.254248] __vmalloc_noprof+0x59/0x60 [ 43.255029] bpf_prog_alloc_no_stats+0x55/0x470 [ 43.255933] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.256892] bpf_prog_alloc+0x39/0x200 [ 43.257609] ? __pfx_seccomp_check_filter+0x10/0x10 [ 43.258578] bpf_prog_create_from_user+0xb2/0x2f0 [ 43.259500] do_seccomp+0x349/0x25e0 [ 43.260238] ? find_held_lock+0x2b/0x80 [ 43.261025] ? do_prlimit+0x310/0x610 [ 43.261791] ? __pfx_do_seccomp+0x10/0x10 [ 43.262574] ? do_raw_spin_unlock+0x53/0x220 [ 43.263433] ? _raw_spin_unlock+0x1e/0x40 [ 43.264234] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 43.265237] ? static_key_count+0x60/0x80 [ 43.266066] prctl_set_seccomp+0x4e/0x70 [ 43.266876] __do_sys_prctl+0xe6c/0x1d70 [ 43.267638] ? __pfx___do_sys_prctl+0x10/0x10 [ 43.268524] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 43.269523] ? irqentry_exit+0xf3/0x650 [ 43.270306] do_syscall_64+0xbf/0x430 [ 43.271074] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 43.272056] RIP: 0033:0x7f8a6267e5cd [ 43.272786] Code: 00 48 89 44 24 18 31 c0 48 8d 44 24 60 c7 04 24 08 00 00 00 48 89 44 24 08 48 8d 44 24 20 48 89 44 24 10 b8 9d 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 1b 48 8b 4c 24 18 64 48 2b 0c 25 28 00 00 00 [ 43.276069] RSP: 002b:00007ffe969b09c0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 43.277471] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8a6267e5cd [ 43.278806] RDX: 0000565160f88e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 43.280121] RBP: 00007ffe969b0a20 R08: 0000000000000000 R09: 00007ffe969b00c0 [ 43.281437] R10: 0000000000000000 R11: 0000000000000246 R12: 0000565169c10ad0 [ 43.282779] R13: 00007ffe969b0e50 R14: 0000565169c11bc0 R15: 0000565169c22780 [ 43.284117] [ 43.284552] irq event stamp: 1773 [ 43.285221] hardirqs last enabled at (1783): [] __up_console_sem+0x78/0x80 [ 43.286797] hardirqs last disabled at (1792): [] __up_console_sem+0x5d/0x80 [ 43.288129] softirqs last enabled at (1598): [] handle_softirqs+0x50c/0x770 [ 43.289459] softirqs last disabled at (1593): [] __irq_exit_rcu+0xc4/0x100 [ 43.290773] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:21494' (ECDSA) to the list of known hosts. 2025/11/18 01:56:26 fuzzer started 2025/11/18 01:56:26 dialing manager at localhost:37895 2025/11/18 01:56:26 checking machine... 2025/11/18 01:56:26 checking revisions... [ 44.178533] kmemleak: Automatic memory scanning thread ended 2025/11/18 01:56:26 testing simple program... [ 44.272847] cgroup: Unknown subsys name 'net' [ 44.327595] cgroup: Unknown subsys name 'cpuset' [ 44.342962] cgroup: Unknown subsys name 'rlimit' executing program executing program VM DIAGNOSIS: 01:56:25 Registers: info registers vcpu 0 RAX=ffffffff83c6fccf RBX=ffffffff81618fa0 RCX=ffff888013fef17c RDX=1ffff110027fde50 RSI=ffffffff83c6fccf RDI=ffff888013fef2f0 RBP=ffff888013fef2c0 RSP=ffff888013fef220 R8 =0000000000000001 R9 =ffff888013fef268 R10=000000000003c9ed R11=000000000009a583 R12=ffff888013fef2f0 R13=0000000000000000 R14=ffff888013f29bc0 R15=0000000000092cc0 RIP=ffffffff84c99a20 RFL=00000286 [--S--P-] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fc5f096c900 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe0600000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fc2e2a4e438 CR3=000000000d739000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=756f6a2f646d65747379732f6e75722f XMM01=00676f6c7379732f6c616e72756f6a2f XMM02=756f6a2f646d65747379732f6e75722f XMM03=006c616e72756f6a2f646d6574737973 XMM04=60d68bc7dedc802e00000000000ae988 XMM05=19f4df263a6eb7b100000000003218f0 XMM06=090f1556b20111b300000000003207a8 XMM07=fb795ef6d65770560000000000310388 XMM08=4f5453444600273d67736d000d0a0920 XMM09=00000000000000000000000000000000 XMM10=20200000000020202020202020200000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=40dfeb16adaf2f00 RBX=ffff88800f163780 RCX=dfb8078e475e76a4 RDX=0000000085cb9a3e RSI=000000008301a466 RDI=0000000081125d94 RBP=ffff88800f1641d8 RSP=ffff88806cf088c8 R8 =0000000000000001 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000001 R12=ffff88800f164200 R13=0000000008cd3ea4 R14=0000000000000000 R15=dfb8078e475e76a4 RIP=ffffffff815273bc RFL=00000097 [--S-APC] CPL=0 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0010 0000000000000000 ffffffff 00a09b00 DPL=0 CS64 [-RA] SS =0018 0000000000000000 ffffffff 00c09300 DPL=0 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007fea4b08f900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2800000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fea4b646618 CR3=0000000021263000 CR4=00350ef0 DR0=0000000000000000 DR1=0000000000000000 DR2=0000000000000000 DR3=0000000000000000 DR6=00000000ffff0ff0 DR7=0000000000000400 EFER=0000000000000d01 FCW=037f FSW=0000 [ST=0] FTW=00 MXCSR=00001f80 FPR0=0000000000000000 0000 FPR1=0000000000000000 0000 FPR2=0000000000000000 0000 FPR3=0000000000000000 0000 FPR4=0000000000000000 0000 FPR5=0000000000000000 0000 FPR6=0000000000000000 0000 FPR7=0000000000000000 0000 XMM00=2035323a36353a313020383120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732035323a36353a3130203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000