Debian GNU/Linux 11 syzkaller ttyS0 syzkaller login: [ 39.046819] ------------[ cut here ]------------ [ 39.047677] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 39.049451] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/232 [ 39.050754] Modules linked in: [ 39.051265] CPU: 1 UID: 104 PID: 232 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 39.052926] Tainted: [W]=WARN [ 39.053392] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 39.054634] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 39.055360] 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 [ 39.058039] RSP: 0018:ffff888013ba7bc0 EFLAGS: 00010286 [ 39.058854] RAX: 0000000000000000 RBX: ffffed1002774f78 RCX: ffffffff813a4050 [ 39.059927] RDX: ffff88800f421bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 39.061000] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002774f2f [ 39.062104] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 39.063192] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888013ba7df8 [ 39.064274] FS: 00007ff6ff21e900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 39.065501] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 39.066412] CR2: 00007ffc58b9eef7 CR3: 000000000ce01000 CR4: 0000000000350ef0 [ 39.067496] Call Trace: [ 39.067921] [ 39.068263] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 39.069016] ? __create_object+0x59/0x80 [ 39.069683] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 39.070460] __vmalloc_noprof+0x59/0x60 [ 39.071120] bpf_prog_alloc_no_stats+0x55/0x470 [ 39.071899] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.072737] bpf_prog_alloc+0x39/0x200 [ 39.073361] ? __pfx_seccomp_check_filter+0x10/0x10 [ 39.074205] bpf_prog_create_from_user+0xb2/0x2f0 [ 39.075026] do_seccomp+0x349/0x25e0 [ 39.075661] ? find_held_lock+0x2b/0x80 [ 39.076307] ? do_prlimit+0x310/0x610 [ 39.076974] ? __pfx_do_seccomp+0x10/0x10 [ 39.077681] ? do_raw_spin_unlock+0x53/0x220 [ 39.078390] ? _raw_spin_unlock+0x1e/0x40 [ 39.079120] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 39.079961] ? static_key_count+0x60/0x80 [ 39.080660] prctl_set_seccomp+0x4e/0x70 [ 39.081290] __do_sys_prctl+0xe6c/0x1d70 [ 39.082005] ? __pfx___do_sys_prctl+0x10/0x10 [ 39.082760] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 39.083558] ? irqentry_exit+0xf3/0x650 [ 39.084226] do_syscall_64+0xbf/0x430 [ 39.084865] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 39.085694] RIP: 0033:0x7ff6ff7105cd [ 39.086274] 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 [ 39.088994] RSP: 002b:00007ffc58b9d270 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 39.090174] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007ff6ff7105cd [ 39.091278] RDX: 000055b073c7fe00 RSI: 0000000000000002 RDI: 0000000000000016 [ 39.092377] RBP: 00007ffc58b9d2d0 R08: 0000000000000000 R09: 00007ffc58b9c970 [ 39.093478] R10: 0000000000000000 R11: 0000000000000246 R12: 000055b0878eead0 [ 39.094609] R13: 00007ffc58b9d700 R14: 000055b0878efbc0 R15: 000055b087900780 [ 39.095730] [ 39.096093] irq event stamp: 1737 [ 39.096663] hardirqs last enabled at (1747): [] __up_console_sem+0x78/0x80 [ 39.098028] hardirqs last disabled at (1756): [] __up_console_sem+0x5d/0x80 [ 39.099405] softirqs last enabled at (1772): [] handle_softirqs+0x50c/0x770 [ 39.100778] softirqs last disabled at (1765): [] __irq_exit_rcu+0xc4/0x100 [ 39.102128] ---[ end trace 0000000000000000 ]--- [ 41.842398] ------------[ cut here ]------------ [ 41.842827] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 41.843727] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#0: sshd/241 [ 41.844350] Modules linked in: [ 41.844630] CPU: 0 UID: 104 PID: 241 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 41.845482] Tainted: [W]=WARN [ 41.845753] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 41.846386] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 41.846807] 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 [ 41.848207] RSP: 0018:ffff88800d28fbc0 EFLAGS: 00010286 [ 41.848644] RAX: 0000000000000000 RBX: ffffed1001a51f78 RCX: ffffffff813a4050 [ 41.849188] RDX: ffff8880171cd340 RSI: ffffffff813a405e RDI: 0000000000000001 [ 41.849764] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1001a51f2f [ 41.850313] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 41.850890] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff88800d28fdf8 [ 41.851436] FS: 00007f1d8f8ab900(0000) GS:ffff8880e538f000(0000) knlGS:0000000000000000 [ 41.852075] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 41.852524] CR2: 00007f1d8fe114a6 CR3: 000000001fe92000 CR4: 0000000000350ef0 [ 41.853105] Call Trace: [ 41.853310] [ 41.853491] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 41.853894] ? __create_object+0x59/0x80 [ 41.854219] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 41.854646] __vmalloc_noprof+0x59/0x60 [ 41.854960] bpf_prog_alloc_no_stats+0x55/0x470 [ 41.855324] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.855735] bpf_prog_alloc+0x39/0x200 [ 41.856046] ? __pfx_seccomp_check_filter+0x10/0x10 [ 41.856433] bpf_prog_create_from_user+0xb2/0x2f0 [ 41.856851] do_seccomp+0x349/0x25e0 [ 41.857166] ? find_held_lock+0x2b/0x80 [ 41.857493] ? do_prlimit+0x310/0x610 [ 41.857844] ? __pfx_do_seccomp+0x10/0x10 [ 41.858186] ? do_raw_spin_unlock+0x53/0x220 [ 41.858545] ? _raw_spin_unlock+0x1e/0x40 [ 41.858908] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 41.859332] ? static_key_count+0x60/0x80 [ 41.859745] prctl_set_seccomp+0x4e/0x70 [ 41.860085] __do_sys_prctl+0xe6c/0x1d70 [ 41.860421] ? __pfx___do_sys_prctl+0x10/0x10 [ 41.860824] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 41.861247] ? irqentry_exit+0xf3/0x650 [ 41.861610] do_syscall_64+0xbf/0x430 [ 41.861927] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 41.862339] RIP: 0033:0x7f1d8fd9d5cd [ 41.862668] 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 [ 41.864124] RSP: 002b:00007ffe182e81f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 41.864752] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f1d8fd9d5cd [ 41.865320] RDX: 000055eaf1570e00 RSI: 0000000000000002 RDI: 0000000000000016 [ 41.865918] RBP: 00007ffe182e8250 R08: 0000000000000000 R09: 00007ffe182e78f0 [ 41.866489] R10: 0000000000000000 R11: 0000000000000246 R12: 000055eaf99cead0 [ 41.867086] R13: 00007ffe182e8680 R14: 000055eaf99cfbc0 R15: 000055eaf99e0780 [ 41.867681] [ 41.867875] irq event stamp: 2069 [ 41.868156] hardirqs last enabled at (2077): [] __up_console_sem+0x78/0x80 [ 41.868858] hardirqs last disabled at (2086): [] __up_console_sem+0x5d/0x80 [ 41.869537] softirqs last enabled at (1916): [] handle_softirqs+0x50c/0x770 [ 41.870257] softirqs last disabled at (1905): [] __irq_exit_rcu+0xc4/0x100 [ 41.870960] ---[ end trace 0000000000000000 ]--- [ 42.618106] ------------[ cut here ]------------ [ 42.619011] Unexpected gfp: 0x400000 (__GFP_ACCOUNT). Fixing up to gfp: 0xdc0 (GFP_KERNEL|__GFP_ZERO). Fix your code! [ 42.620997] WARNING: mm/vmalloc.c:3937 at vmalloc_fix_flags+0x91/0xd0, CPU#1: sshd/248 [ 42.622433] Modules linked in: [ 42.623061] CPU: 1 UID: 104 PID: 248 Comm: sshd Tainted: G W 6.18.0-rc6-next-20251118 #1 PREEMPT(voluntary) [ 42.625006] Tainted: [W]=WARN [ 42.625550] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.12.0-1 04/01/2014 [ 42.627273] RIP: 0010:vmalloc_fix_flags+0x91/0xd0 [ 42.628294] 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 [ 42.631421] RSP: 0018:ffff888017f9fbc0 EFLAGS: 00010286 [ 42.632379] RAX: 0000000000000000 RBX: ffffed1002ff3f78 RCX: ffffffff813a4050 [ 42.633646] RDX: ffff888015721bc0 RSI: ffffffff813a405e RDI: 0000000000000001 [ 42.634913] RBP: 0000000000001000 R08: 0000000000000001 R09: ffffed1002ff3f2f [ 42.636167] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000400dc0 [ 42.637413] R13: 0000000000000000 R14: 0000000000400dc0 R15: ffff888017f9fdf8 [ 42.638688] FS: 00007f7b7fa92900(0000) GS:ffff8880e548f000(0000) knlGS:0000000000000000 [ 42.640085] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.641136] CR2: 00007f7b7ff84580 CR3: 000000000db34000 CR4: 0000000000350ef0 [ 42.642409] Call Trace: [ 42.642913] [ 42.643319] ? __pfx_vmalloc_fix_flags+0x10/0x10 [ 42.644195] ? __create_object+0x59/0x80 [ 42.644978] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.645946] __vmalloc_noprof+0x59/0x60 [ 42.646696] bpf_prog_alloc_no_stats+0x55/0x470 [ 42.647511] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.648423] bpf_prog_alloc+0x39/0x200 [ 42.649154] ? __pfx_seccomp_check_filter+0x10/0x10 [ 42.650094] bpf_prog_create_from_user+0xb2/0x2f0 [ 42.650989] do_seccomp+0x349/0x25e0 [ 42.651714] ? __pfx_css_rstat_updated+0x10/0x10 [ 42.652564] ? __pfx_do_seccomp+0x10/0x10 [ 42.653353] ? find_held_lock+0x2b/0x80 [ 42.654111] ? __sanitizer_cov_trace_switch+0x54/0x90 [ 42.655074] ? static_key_count+0x60/0x80 [ 42.655867] prctl_set_seccomp+0x4e/0x70 [ 42.656623] __do_sys_prctl+0xe6c/0x1d70 [ 42.657350] ? __pfx___do_sys_prctl+0x10/0x10 [ 42.658191] ? trace_irq_enable.constprop.0+0xc2/0x100 [ 42.659158] ? lockdep_hardirqs_on_prepare+0xdb/0x1a0 [ 42.660126] ? irqentry_exit+0xf3/0x650 [ 42.660898] do_syscall_64+0xbf/0x430 [ 42.661657] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 42.662553] RIP: 0033:0x7f7b7ff845cd [ 42.663254] 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 [ 42.666427] RSP: 002b:00007ffe46afd6f0 EFLAGS: 00000246 ORIG_RAX: 000000000000009d [ 42.667769] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00007f7b7ff845cd [ 42.669034] RDX: 00005570c011be00 RSI: 0000000000000002 RDI: 0000000000000016 [ 42.670345] RBP: 00007ffe46afd750 R08: 0000000000000000 R09: 00007ffe46afcdf0 [ 42.671621] R10: 0000000000000000 R11: 0000000000000246 R12: 00005570dd432ad0 [ 42.672902] R13: 00007ffe46afdb80 R14: 00005570dd433bc0 R15: 00005570dd444780 [ 42.674212] [ 42.674652] irq event stamp: 1857 [ 42.675160] hardirqs last enabled at (1865): [] __up_console_sem+0x78/0x80 [ 42.676422] hardirqs last disabled at (1874): [] __up_console_sem+0x5d/0x80 [ 42.677690] softirqs last enabled at (1422): [] handle_softirqs+0x50c/0x770 [ 42.678992] softirqs last disabled at (1417): [] __irq_exit_rcu+0xc4/0x100 [ 42.680254] ---[ end trace 0000000000000000 ]--- Warning: Permanently added '[localhost]:25510' (ECDSA) to the list of known hosts. 2025/11/18 15:14:24 fuzzer started 2025/11/18 15:14:24 dialing manager at localhost:34383 2025/11/18 15:14:24 checking machine... 2025/11/18 15:14:24 checking revisions... [ 43.527208] kmemleak: Automatic memory scanning thread ended 2025/11/18 15:14:24 testing simple program... [ 43.598857] cgroup: Unknown subsys name 'net' [ 43.645957] cgroup: Unknown subsys name 'cpuset' [ 43.658847] cgroup: Unknown subsys name 'rlimit' executing program executing program executing program VM DIAGNOSIS: 15:14:23 Registers: info registers vcpu 0 RAX=0000000000000000 RBX=0000000000000005 RCX=ffffffff826328e0 RDX=ffff888009a89bc0 RSI=ffffffff826328f6 RDI=0000000000000001 RBP=0000000000000020 RSP=ffff888009a9f780 R8 =0000000000000001 R9 =ffffed10037b69fe R10=0000000000000001 R11=0000000000000001 R12=ffff8880173f2448 R13=0000000000000001 R14=1ffff11001353ef4 R15=ffff8880173f24a0 RIP=ffffffff81751e4b RFL=00000046 [---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 fffffe2300000000 00000000 00000000 TR =0040 fffffe0000003000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000001000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=000055eaf99f3768 CR3=0000000009cc9000 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=2033323a34313a353120383120766f4e XMM01=6964206465766965636552203a5d3034 XMM02=6f63736964203a31313a363230373520 XMM03=7266207463656e6e6f63736964206465 XMM04=69662068637573206f4e203a656c6163 XMM05=3a656c696620766e65206e65706f206f XMM06=65733a6468737328766e655f6d617020 XMM07=6b7a79732033323a34313a3531203831 XMM08=74696c6962617061633d7373616c6374 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000 info registers vcpu 1 RAX=0000000000000000 RBX=ffff888017ea0080 RCX=0000000000000001 RDX=0000000000000000 RSI=00000000ffffffff RDI=ffff88806cf37358 RBP=ffff88806cf37340 RSP=ffff888013b2f508 R8 =00000000ffffffff R9 =ffff88806cf37500 R10=00000000000000a9 R11=0000000000000001 R12=ffff88806cf37400 R13=ffff88806cf37448 R14=ffff88806cf37578 R15=0000000f17b6fe96 RIP=ffffffff84c72090 RFL=00000046 [---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 00007f48b7786700 00000000 00000000 GS =0000 ffff8880e548f000 00000000 00000000 LDT=0000 fffffe2c00000000 00000000 00000000 TR =0040 fffffe000004a000 00004087 00008b00 DPL=0 TSS64-busy GDT= fffffe0000048000 0000007f IDT= fffffe0000000000 00000fff CR0=80050033 CR2=00007ffe182e2000 CR3=000000000a038000 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=34313a353120383120766f4e3e36383c XMM01=7365733a646873732878696e755f6d61 XMM02=736f6c63206e6f6973736573203a296e XMM03=5f6d6170203a5d3034325b6468737320 XMM04=6456774875434142334f726f59427469 XMM05=485320415352203a3268737320363230 XMM06=206d6f726620746f6f7220726f662079 XMM07=00000000000000000000000000000000 XMM08=3a677562656420676f6c737973720000 XMM09=00000000000000000000000000000000 XMM10=00000000000000000000000000000000 XMM11=00000000000000000000000000000000 XMM12=00000000000000000000000000000000 XMM13=00000000000000000000000000000000 XMM14=00000000000000000000000000000000 XMM15=00000000000000000000000000000000