Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.014722] ------------[ cut here ]------------ [ 39.015632] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.017639] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.019062] Modules linked in: [ 39.019668] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.021634] Tainted: [W]=WARN [ 39.022224] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.023668] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.024586] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 39.027703] RSP: 0018:ffff888016367bc0 EFLAGS: 00010286 [ 39.028671] RAX: 0000000000000000 RBX: ffffed1002c6cf78 RCX: ffffffff813a4050 [ 39.029922] RDX: ffff888015e60000 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.031210] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002c6cf2f [ 39.032482] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.033731] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888016367df8 [ 39.035003] FS: 00007f7ad0c8c900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.036418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.037457] CR2: 00007f7ad11f24a6 CR3: 000000000e048000 CR4: 0000000000350ef0 [ 39.038721] Call Trace: [ 39.039227] [ 39.039641] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.040526] ? __create_object+0x59/0x80 [ 39.041286] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.042240] __vmalloc_noprof+0x59/0x60 [ 39.042988] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.043803] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.044714] bpf_prog_alloc+0x39/0x200 [ 39.045450] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.046363] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.047252] do_seccomp+0x349/0x25e0 [ 39.047966] ? find_held_lock+0x2b/0x80 [ 39.048665] ? do_prlimit+0x310/0x610 [ 39.049400] ? __pfx_do_seccomp+0x10/0x10 [ 39.050169] ? do_raw_spin_unlock+0x53/0x220 [ 39.050988] ? _raw_spin_unlock+0x1e/0x40 [ 39.051715] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.052654] ? static_key_count+0x60/0x80 [ 39.053436] prctl_set_seccomp+0x4e/0x70 [ 39.054199] __do_sys_prctl+0xe6c/0x1d70 [ 39.054975] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.055778] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.056729] ? irqentry_exit+0xf3/0x650 [ 39.057476] do_syscall_64+0xbf/0x430 [ 39.058205] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.059132] RIP: 0033:0x7f7ad117e5cd [ 39.059795] 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 [ 39.062883] RSP: 002b:00007fff9c13df90 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.064239] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7ad117e5cd [ 39.065487] RDX: 000055996e7c5e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.066744] RBP: 00007fff9c13dff0 R08: 0000000000000000 R09: 00007fff9c13d690 [ 39.068030] R10: 0000000000000000 R11: 0000000000000246 R12: 00005599867abb10 [ 39.069298] R13: 00007fff9c13e420 R14: 00005599867ac2b0 R15: 00005599867c06f0 [ 39.070579] [ 39.071026] irq event stamp: 1681 [ 39.071634] hardirqs last enabled at (1689): [] __up_console_sem+0x78/0x80 [ 39.073113] hardirqs last disabled at (1698): [] __up_console_sem+0x5d/0x80 [ 39.074592] softirqs last enabled at (1658): [] handle_softirqs+0x50c/0x770 [ 39.076106] softirqs last disabled at (1653): [] __irq_exit_rcu+0xc4/0x100 [ 39.077601] ---[ end trace 0000000000000000 ]--- [ 41.811423] ------------[ cut here ]------------ [ 41.811878] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.812885] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/240 [ 41.813620] Modules linked in: [ 41.813916] CPU: 0 UID: 104 PID: 240 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.814909] Tainted: [W]=WARN [ 41.815207] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.815953] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.816389] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 41.818346] RSP: 0018:ffff888017037bc0 EFLAGS: 00010286 [ 41.818815] RAX: 0000000000000000 RBX: ffffed1002e06f78 RCX: ffffffff813a4050 [ 41.819462] RDX: ffff888018523780 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.820103] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002e06f2f [ 41.820719] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.821348] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017037df8 [ 41.822026] FS: 00007f5aaaa57900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.822869] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.823617] CR2: 00007fff3f48aef8 CR3: 000000000dcd5000 CR4: 0000000000350ef0 [ 41.824395] Call Trace: [ 41.824622] [ 41.824820] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.825257] ? __create_object+0x59/0x80 [ 41.825621] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.826086] __vmalloc_noprof+0x59/0x60 [ 41.826445] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.826863] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.827316] bpf_prog_alloc+0x39/0x200 [ 41.827657] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.828100] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.828515] do_seccomp+0x349/0x25e0 [ 41.828840] ? find_held_lock+0x2b/0x80 [ 41.829208] ? do_prlimit+0x310/0x610 [ 41.829544] ? __pfx_do_seccomp+0x10/0x10 [ 41.829899] ? do_raw_spin_unlock+0x53/0x220 [ 41.830300] ? _raw_spin_unlock+0x1e/0x40 [ 41.830654] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.831115] ? static_key_count+0x60/0x80 [ 41.831508] prctl_set_seccomp+0x4e/0x70 [ 41.831874] __do_sys_prctl+0xe6c/0x1d70 [ 41.832265] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.832666] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.833144] ? irqentry_exit+0xf3/0x650 [ 41.833513] do_syscall_64+0xbf/0x430 [ 41.833866] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.834351] RIP: 0033:0x7f5aaaf495cd [ 41.834679] 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 [ 41.836225] RSP: 002b:00007fff3f488330 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.836878] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f5aaaf495cd [ 41.837505] RDX: 0000560671843e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.838131] RBP: 00007fff3f488390 R08: 0000000000000000 R09: 00007fff3f487a30 [ 41.838733] R10: 0000000000000000 R11: 0000000000000246 R12: 00005606993e22b0 [ 41.839360] R13: 00007fff3f4887c0 R14: 00005606993e4d20 R15: 00005606993f68d0 [ 41.840009] [ 41.840221] irq event stamp: 1649 [ 41.840521] hardirqs last enabled at (1657): [] __up_console_sem+0x78/0x80 [ 41.841288] hardirqs last disabled at (1666): [] __up_console_sem+0x5d/0x80 [ 41.842065] softirqs last enabled at (1188): [] handle_softirqs+0x50c/0x770 [ 41.842819] softirqs last disabled at (1179): [] __irq_exit_rcu+0xc4/0x100 [ 41.843570] ---[ end trace 0000000000000000 ]--- [ 42.616881] ------------[ cut here ]------------ [ 42.617673] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.619341] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.620583] Modules linked in: [ 42.621109] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.622768] Tainted: [W]=WARN [ 42.623256] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.624476] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.625235] Code: e0 ad 11 00 81 e6 1f 52 ee ff 89 4c 24 40 89 74 24 30 90 48 c7 c7 40 38 f1 84 4c 8d 44 24 40 48 8d 54 24 30 e8 30 7b 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 [ 42.627900] RSP: 0018:ffff8880187e7bc0 EFLAGS: 00010286 [ 42.628723] RAX: 0000000000000000 RBX: ffffed10030fcf78 RCX: ffffffff813a4050 [ 42.629790] RDX: ffff88801ab31bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.630876] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed10030fcf2f [ 42.631972] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.633051] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff8880187e7df8 [ 42.634125] FS: 00007f8fd1eb1900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.635350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.636262] CR2: 00007f8fd23a3580 CR3: 00000000203bc000 CR4: 0000000000350ef0 [ 42.637339] Call Trace: [ 42.637733] [ 42.638114] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.638821] ? __create_object+0x59/0x80 [ 42.639494] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.640313] __vmalloc_noprof+0x59/0x60 [ 42.640962] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.641662] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.642450] bpf_prog_alloc+0x39/0x200 [ 42.643063] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.643813] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.644572] do_seccomp+0x349/0x25e0 [ 42.645164] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.645883] ? __pfx_do_seccomp+0x10/0x10 [ 42.646557] ? find_held_lock+0x2b/0x80 [ 42.647193] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.648008] ? static_key_count+0x60/0x80 [ 42.648634] prctl_set_seccomp+0x4e/0x70 [ 42.649281] __do_sys_prctl+0xe6c/0x1d70 [ 42.649899] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.650620] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.651447] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.652256] ? irqentry_exit+0xf3/0x650 [ 42.652861] do_syscall_64+0xbf/0x430 [ 42.653479] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.654264] RIP: 0033:0x7f8fd23a35cd [ 42.654816] 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 [ 42.657541] RSP: 002b:00007fff139ff620 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.658691] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f8fd23a35cd [ 42.659782] RDX: 0000557f0735de00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.660858] RBP: 00007fff139ff680 R08: 0000000000000000 R09: 00007fff139fed20 [ 42.661924] R10: 0000000000000000 R11: 0000000000000246 R12: 0000557f10493ad0 [ 42.663014] R13: 00007fff139ffab0 R14: 0000557f10494bc0 R15: 0000557f104a5780 [ 42.664140] [ 42.664502] irq event stamp: 1715 [ 42.665045] hardirqs last enabled at (1725): [] __up_console_sem+0x78/0x80 [ 42.666338] hardirqs last disabled at (1734): [] __up_console_sem+0x5d/0x80 [ 42.667645] softirqs last enabled at (1636): [] handle_softirqs+0x50c/0x770 [ 42.668951] softirqs last disabled at (1631): [] __irq_exit_rcu+0xc4/0x100 [ 42.670240] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:14556' (ECDSA) to the list of known hosts. 2025/11/18 20:50:59 fuzzer started 2025/11/18 20:51:00 dialing manager at localhost:34383 2025/11/18 20:51:00 checking machine... 2025/11/18 20:51:00 checking revisions... [ 43.548226] kmemleak: Automatic memory scanning thread ended 2025/11/18 20:51:00 testing simple program... [ 43.639508] cgroup: Unknown subsys name 'net' [ 43.699332] cgroup: Unknown subsys name 'cpuset' [ 43.719606] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 20:50:59 Registers: info registers vcpu 0 RAX=0000000000000019 RBX=0000560699401cb0 RCX=00005606993f7d10 RDX=0000000000000001 RSI=0000000000008000 RDI=00005606993df350 RBP=0000000000000000 RSP=00007fff3f487da8 R8 =0000000000008000 R9 =0000000000000000 R10=0000000000004000 R11=0000000000000246 R12=0000000000000007 R13=00005606993df350 R14=0000000000000000 R15=0000000000000001 RIP=00007f5aaaa03515 RFL=00000202 [-------] CPL=3 II=0 A20=1 SMM=0 HLT=0 ES =0000 0000000000000000 00000000 00000000 CS =0033 0000000000000000 ffffffff 00a0fb00 DPL=3 CS64 [-RA] SS =002b 0000000000000000 ffffffff 00c0f300 DPL=3 DS [-WA] DS =0000 0000000000000000 00000000 00000000 FS =0000 00007f5aaaa57900 00000000 00000000 GS =0000 0000000000000000 00000000 00000000 LDT=0000 fffffe5300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007f5aab00c650 CR3=000000000dc99000 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=00000000000000000000000000000000 XMM01=000000000000000000000000000000ff XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=ffbc64ffffbc44ffffbc34ffffbc9f00 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000338 RBX=ffff888015e65340 RCX=0000000000000200 RDX=0000000000000008 RSI=ffff888015e65e10 RDI=ffff888015e65de8 RBP=ffff888015e65d98 RSP=ffff888009f4f3e8 R8 =0000000000000003 R9 =0000000000000000 R10=0000000000000001 R11=0000000000000000 R12=ffff888015e65e10 R13=f36dcfa5d822d870 R14=0000000000000000 R15=0000000000000003 RIP=ffffffff815228f3 RFL=00000003 [------C] 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 00007ff3bc97a700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe4300000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fd94181e178 CR3=000000000b77a000 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=2039353a30353a303220383120766f4e XMM01=657463656e6e6f63736944203a5d3933 XMM02=302e303120746f6f722072657375206d XMM03=203a5d3933325b646873732072656c6c XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732038353a30353a3032203831 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000