Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 45.841619] ------------[ cut here ]------------ [ 45.842582] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 45.844630] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/235 [ 45.846144] Modules linked in: [ 45.846739] CPU: 0 UID: 104 PID: 235 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 45.848771] Tainted: [W]=WARN [ 45.849358] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 45.850804] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 45.851718] 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 [ 45.854921] RSP: 0018:ffff88800a80fbc0 EFLAGS: 00010286 [ 45.855887] RAX: 0000000000000000 RBX: ffffed1001501f78 RCX: ffffffff813a4050 [ 45.857167] RDX: ffff888015e25340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 45.858441] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001501f2f [ 45.859726] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 45.861003] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800a80fdf8 [ 45.862285] FS: 00007f8577295900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 45.863739] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 45.864818] CR2: 00007f8577787580 CR3: 000000000d8f7000 CR4: 0000000000350ef0 [ 45.866107] Call Trace: [ 45.866599] [ 45.867004] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 45.867901] ? __create_object+0x59/0x80 [ 45.868680] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.869641] __vmalloc_noprof+0x59/0x60 [ 45.870399] bpf_prog_alloc_no_stats+0x55/0x470 [ 45.871262] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.872199] bpf_prog_alloc+0x39/0x200 [ 45.872897] ? __pfx_seccomp_check_filter+0x10/0x10 [ 45.873813] bpf_prog_create_from_user+0xb2/0x2f0 [ 45.874703] do_seccomp+0x349/0x25e0 [ 45.875414] ? __pfx_css_rstat_updated+0x10/0x10 [ 45.876323] ? __pfx_do_seccomp+0x10/0x10 [ 45.877068] ? find_held_lock+0x2b/0x80 [ 45.877818] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 45.878774] ? static_key_count+0x60/0x80 [ 45.879560] prctl_set_seccomp+0x4e/0x70 [ 45.880334] __do_sys_prctl+0xe6c/0x1d70 [ 45.881067] ? __pfx___do_sys_prctl+0x10/0x10 [ 45.881917] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 45.882883] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 45.883844] ? irqentry_exit+0xf3/0x650 [ 45.884610] do_syscall_64+0xbf/0x430 [ 45.885340] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 45.886288] RIP: 0033:0x7f85777875cd [ 45.886948] 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 [ 45.890148] RSP: 002b:00007fff10893c10 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 45.891512] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f85777875cd [ 45.892799] RDX: 00005576f7439e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 45.894085] RBP: 00007fff10893c70 R08: 0000000000000000 R09: 00007fff10893310 [ 45.895369] R10: 0000000000000000 R11: 0000000000000246 R12: 000055770a5b5240 [ 45.896644] R13: 00007fff108940a0 R14: 000055770a5b4bf0 R15: 000055770a5c94d0 [ 45.897737] [ 45.898091] irq event stamp: 1753 [ 45.898636] hardirqs last enabled at (1763): [] __up_console_sem+0x78/0x80 [ 45.899897] hardirqs last disabled at (1772): [] __up_console_sem+0x5d/0x80 [ 45.901190] softirqs last enabled at (1394): [] handle_softirqs+0x50c/0x770 [ 45.902494] softirqs last disabled at (1389): [] __irq_exit_rcu+0xc4/0x100 [ 45.903753] ---[ end trace 0000000000000000 ]--- [ 49.040578] ------------[ cut here ]------------ [ 49.041484] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.043507] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/242 [ 49.044966] Modules linked in: [ 49.045823] CPU: 1 UID: 104 PID: 242 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.047890] Tainted: [W]=WARN [ 49.048508] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.049982] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.050902] 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 [ 49.054079] RSP: 0018:ffff88801aaffbc0 EFLAGS: 00010286 [ 49.055044] RAX: 0000000000000000 RBX: ffffed100355ff78 RCX: ffffffff813a4050 [ 49.056322] RDX: ffff888016155340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.057603] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed100355ff2f [ 49.058873] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.060150] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801aaffdf8 [ 49.061434] FS: 00007f35e76fe900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 49.062862] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.063914] CR2: 00007ffda81f2ef7 CR3: 000000000a026000 CR4: 0000000000350ef0 [ 49.065202] Call Trace: [ 49.065665] [ 49.066075] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.066978] ? __create_object+0x59/0x80 [ 49.067763] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.068747] __vmalloc_noprof+0x59/0x60 [ 49.069499] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.070386] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.071314] bpf_prog_alloc+0x39/0x200 [ 49.072011] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.072932] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.073841] do_seccomp+0x349/0x25e0 [ 49.074566] ? find_held_lock+0x2b/0x80 [ 49.075325] ? do_prlimit+0x310/0x610 [ 49.076027] ? __pfx_do_seccomp+0x10/0x10 [ 49.076825] ? do_raw_spin_unlock+0x53/0x220 [ 49.077661] ? _raw_spin_unlock+0x1e/0x40 [ 49.078437] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.079389] ? static_key_count+0x60/0x80 [ 49.080189] prctl_set_seccomp+0x4e/0x70 [ 49.080935] __do_sys_prctl+0xe6c/0x1d70 [ 49.081725] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.082602] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.083566] ? irqentry_exit+0xf3/0x650 [ 49.084342] do_syscall_64+0xbf/0x430 [ 49.085043] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.085988] RIP: 0033:0x7f35e7bf05cd [ 49.086686] 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 [ 49.089850] RSP: 002b:00007ffda81f18f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.091204] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f35e7bf05cd [ 49.092487] RDX: 000055f4b5e44e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.093762] RBP: 00007ffda81f1950 R08: 0000000000000000 R09: 00007ffda81f0ff0 [ 49.095047] R10: 0000000000000000 R11: 0000000000000246 R12: 000055f4c6e06bf0 [ 49.096337] R13: 00007ffda81f1d80 R14: 000055f4c6e10380 R15: 000055f4c6e1b460 [ 49.097649] [ 49.098075] irq event stamp: 1807 [ 49.098720] hardirqs last enabled at (1817): [] __up_console_sem+0x78/0x80 [ 49.100228] hardirqs last disabled at (1826): [] __up_console_sem+0x5d/0x80 [ 49.101788] softirqs last enabled at (1346): [] handle_softirqs+0x50c/0x770 [ 49.103338] softirqs last disabled at (1341): [] __irq_exit_rcu+0xc4/0x100 [ 49.104854] ---[ end trace 0000000000000000 ]--- [ 49.896376] ------------[ cut here ]------------ [ 49.897311] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 49.899346] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/249 [ 49.900825] Modules linked in: [ 49.901512] CPU: 0 UID: 104 PID: 249 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251117 #1 PREEMPT(voluntary) [ 49.903507] Tainted: [W]=WARN [ 49.904070] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 49.905552] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 49.906456] 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 [ 49.909648] RSP: 0018:ffff88801762fbc0 EFLAGS: 00010286 [ 49.910654] RAX: 0000000000000000 RBX: ffffed1002ec5f78 RCX: ffffffff813a4050 [ 49.911946] RDX: ffff888015de9bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 49.913271] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ec5f2f [ 49.914556] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 49.915851] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88801762fdf8 [ 49.917155] FS: 00007fa7f0748900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 49.918611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 49.919673] CR2: 00007ffc207c5ef7 CR3: 000000000d89c000 CR4: 0000000000350ef0 [ 49.920960] Call Trace: [ 49.921460] [ 49.921872] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 49.922770] ? __create_object+0x59/0x80 [ 49.923540] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 49.924535] __vmalloc_noprof+0x59/0x60 [ 49.925301] bpf_prog_alloc_no_stats+0x55/0x470 [ 49.926163] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.927044] bpf_prog_alloc+0x39/0x200 [ 49.927786] ? __pfx_seccomp_check_filter+0x10/0x10 [ 49.928761] bpf_prog_create_from_user+0xb2/0x2f0 [ 49.929672] do_seccomp+0x349/0x25e0 [ 49.930410] ? find_held_lock+0x2b/0x80 [ 49.931175] ? do_prlimit+0x310/0x610 [ 49.931872] ? __pfx_do_seccomp+0x10/0x10 [ 49.932689] ? do_raw_spin_unlock+0x53/0x220 [ 49.933519] ? _raw_spin_unlock+0x1e/0x40 [ 49.934295] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 49.935265] ? static_key_count+0x60/0x80 [ 49.936014] prctl_set_seccomp+0x4e/0x70 [ 49.936816] __do_sys_prctl+0xe6c/0x1d70 [ 49.937596] ? __pfx___do_sys_prctl+0x10/0x10 [ 49.938452] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 49.939419] ? irqentry_exit+0xf3/0x650 [ 49.940195] do_syscall_64+0xbf/0x430 [ 49.940896] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 49.941845] RIP: 0033:0x7fa7f0c3a5cd [ 49.942560] 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 [ 49.945791] RSP: 002b:00007ffc207c3460 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 49.947155] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007fa7f0c3a5cd [ 49.948458] RDX: 00005572631f0e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 49.949743] RBP: 00007ffc207c34c0 R08: 0000000000000000 R09: 00007ffc207c2b60 [ 49.951010] R10: 0000000000000000 R11: 0000000000000246 R12: 000055728b9ecad0 [ 49.952334] R13: 00007ffc207c38f0 R14: 000055728b9edbc0 R15: 000055728b9fe780 [ 49.953639] [ 49.954064] irq event stamp: 1797 [ 49.954709] hardirqs last enabled at (1807): [] __up_console_sem+0x78/0x80 [ 49.956220] hardirqs last disabled at (1816): [] __up_console_sem+0x5d/0x80 [ 49.957755] softirqs last enabled at (1642): [] handle_softirqs+0x50c/0x770 [ 49.959306] softirqs last disabled at (1637): [] __irq_exit_rcu+0xc4/0x100 [ 49.960841] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:15297' (ECDSA) to the list of known hosts. 2025/11/17 18:56:04 fuzzer started 2025/11/17 18:56:04 dialing manager at localhost:37895 2025/11/17 18:56:04 checking machine... 2025/11/17 18:56:04 checking revisions... [ 50.843557] kmemleak: Automatic memory scanning thread ended 2025/11/17 18:56:04 testing simple program... [ 50.903805] cgroup: Unknown subsys name 'net' [ 50.993011] cgroup: Unknown subsys name 'cpuset' [ 51.005246] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 18:56:03 Registers: info registers vcpu 0 RAX=0000000000000007 RBX=ffffffff86691914 RCX=ffffffff81204b69 RDX=0000000000000000 RSI=ffffffff869d9f82 RDI=ffffffff866918e0 RBP=ffffffff86691914 RSP=ffff888009627788 R8 =ffffffff869d9f82 R9 =0000000000000000 R10=000000000003c9ed R11=000000000000054b R12=ffffffff86691918 R13=ffffffff866918e0 R14=ffffffff86691910 R15=dffffc0000000000 RIP=ffffffff8135dabe RFL=00000246 [---Z-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 0000000000000000 00000000 00000000 GS =0000 ffff8880e538f000 00000000 00000000 LDT=0000 fffffe4900000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007fdc2fca1000 CR3=000000000e030000 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=2033303a36353a383120373120766f4e XMM01=73732878696e755f6d6170203a5d3134 XMM02=65736f6c63206e6f6973736573203a29 XMM03=755f6d6170203a5d3134325b64687373 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033303a36353a3831203731 XMM08=30343d7974696c696261706163202279 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=1ffffffff0d4029b RBX=0000000000000001 RCX=ffffffff86a014d4 RDX=0000000000000000 RSI=dffffc0000000000 RDI=ffff88801a5474b8 RBP=ffff88801a5474a8 RSP=ffff88801a547390 R8 =ffffffff86a014d8 R9 =ffff88801a547490 R10=000000000003c9ed R11=0000000000006e2e R12=ffff88801a5474b0 R13=ffff88801a547498 R14=ffff88801a547450 R15=ffff88801a547450 RIP=ffffffff8135f084 RFL=00000212 [----A--] 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 00007f35e76fe900 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe1900000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffda81eb000 CR3=000000001f72c000 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=74696d7265705f6d61703d73726f746e XMM02=000000000000000000000000000000ff XMM03=5320444f4854454d5f54505952434e45 XMM04=40404040404040404040404040404040 XMM05=5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a5a XMM06=20202020202020202020202020202020 XMM07=00000000000000000000000000000000 XMM08=61662029286e65706f5f746964756100 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000