Extracting prog: 2m18.97950626s Minimizing prog: 16m44.62589379s Simplifying prog options: 3m6.385309902s Extracting C: 57.489517256s Simplifying C: 28m55.648075298s 1 programs, timeouts [30s 1m40s 6m0s] extracting reproducer from 1 programs testing a last program of every proc single: executing 1 programs separately with timeout 30s testing program (duration=30s, {Threaded:true Repeat:true RepeatTimes:0 Procs:6 Slowdown:1 Sandbox:none SandboxArg:0 Leak:false NetInjection:true NetDevices:true NetReset:true Cgroups:true BinfmtMisc:true CloseFDs:true KCSAN:false DevlinkPCI:false NicVF:false USB:true VhciInjection:true Wifi:true IEEE802154:true Sysctl:true Swap:true UseTmpDir:true HandleSegv:true Trace:false LegacyOptions:{Collide:false Fault:false FaultCall:0 FaultNth:0}}): socket$inet-socket$rds-setsockopt$RDS_FREE_MR-sendmsg$netlink-setsockopt$inet_mreqn-setsockopt$inet_msfilter-socket$inet-setsockopt$inet_mreqn-futex-futex-syz_mount_image$bcachefs detailed listing: executing program 0: r0 = socket$inet(0x2, 0x2, 0x0) r1 = socket$rds(0x15, 0x5, 0x0) setsockopt$RDS_FREE_MR(r1, 0x114, 0x3, &(0x7f0000000040)={{0x7, 0x80000000}, 0x60}, 0x10) sendmsg$netlink(0xffffffffffffffff, &(0x7f00000007c0)={0x0, 0x0, &(0x7f0000000780)=[{&(0x7f0000000000)={0x18, 0x0, 0x31f, 0x0, 0x0, "", [@typed={0x8, 0x0, 0x0, 0x0, @fd}]}, 0x18}], 0x1}, 0x0) setsockopt$inet_mreqn(r0, 0x0, 0x23, &(0x7f0000000740)={@multicast2, @loopback}, 0x40) setsockopt$inet_msfilter(r0, 0x0, 0x29, &(0x7f0000000000)=ANY=[@ANYBLOB="e00000027fa80a010100000004"], 0x57) r2 = socket$inet(0x2, 0x2, 0x0) setsockopt$inet_mreqn(r2, 0x0, 0x23, &(0x7f0000000740)={@multicast2, @loopback}, 0x40) futex(&(0x7f000000cffc), 0x9, 0x0, 0x0, 0x0, 0x6) futex(&(0x7f000000cffc), 0x7, 0x0, 0x0, &(0x7f0000000300), 0x0) syz_mount_image$bcachefs(&(0x7f0000005d80), &(0x7f0000005dc0)='./file0\x00', 0x0, &(0x7f0000000240)={[{@errors_continue}], [{@fowner_gt={'fowner>', 0xee00}}, {@subj_role={'subj_role', 0x3d, '\xd0\x17G\x1d\xf1\xe0\x8695\x1f\a\xc1s\xa1\xe4\xa5\xfd\xb38\xb4\x9e\xc6\xadu\x93\xf8\xbeU\xc4 \xb0\x03\x00\xcd\x96]\xf3y\x0e(\xe2\\\x12\xac\xe8\x88\xf8;\xd3\x9d\x00\xad\xe9B[\xd3\v\xd0\x7f\xd5\xb9\xff\xf2)\x8b\\\x06\xe2\xef\'\x9c\xe8.\xa5\xce\xfc'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '', 0xee00}}, {@subj_role={'subj_role', 0x3d, '\xd0\x17G\x1d\xf1\xe0\x8695\x1f\a\xc1s\xa1\xe4\xa5\xfd\xb38\xb4\x9e\xc6\xadu\x93\xf8\xbeU\xc4 \xb0\x03\x00\xcd\x96]\xf3y\x0e(\xe2\\\x12\xac\xe8\x88\xf8;\xd3\x9d\x00\xad\xe9B[\xd3\v\xd0\x7f\xd5\xb9\xff\xf2)\x8b\\\x06\xe2\xef\'\x9c\xe8.\xa5\xce\xfc'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '', 0xee00}}, {@subj_role={'subj_role', 0x3d, '\xd0\x17G\x1d\xf1\xe0\x8695\x1f\a\xc1s\xa1\xe4\xa5\xfd\xb38\xb4\x9e\xc6\xadu\x93\xf8\xbeU\xc4 \xb0\x03\x00\xcd\x96]\xf3y\x0e(\xe2\\\x12\xac\xe8\x88\xf8;\xd3\x9d\x00\xad\xe9B[\xd3\v\xd0\x7f\xd5\xb9\xff\xf2)\x8b\\\x06\xe2\xef\'\x9c\xe8.\xa5\xce\xfc'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '', 0xee00}}, {@subj_role={'subj_role', 0x3d, '\xd0\x17G\x1d\xf1\xe0\x8695\x1f\a\xc1s\xa1\xe4\xa5\xfd\xb38\xb4\x9e\xc6\xadu\x93\xf8\xbeU\xc4 \xb0\x03\x00\xcd\x96]\xf3y\x0e(\xe2\\\x12\xac\xe8\x88\xf8;\xd3\x9d\x00\xad\xe9B[\xd3\v\xd0\x7f\xd5\xb9\xff\xf2)\x8b\\\x06\xe2\xef\'\x9c\xe8.\xa5\xce\xfc'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '', 0xee00}}, {@subj_role={'subj_role', 0x3d, '\xd0\x17G\x1d\xf1\xe0\x8695\x1f\a\xc1s\xa1\xe4\xa5\xfd\xb38\xb4\x9e\xc6\xadu\x93\xf8\xbeU\xc4 \xb0\x03\x00\xcd\x96]\xf3y\x0e(\xe2\\\x12\xac\xe8\x88\xf8;\xd3\x9d\x00\xad\xe9B[\xd3\v\xd0\x7f\xd5\xb9\xff\xf2)\x8b\\\x06\xe2\xef\'\x9c\xe8.\xa5\xce\xfc'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '', 0xee00}}, {@subj_role={'subj_role', 0x3d, '\xd0\x17G\x1d\xf1\xe0\x8695\x1f\a\xc1s\xa1\xe4\xa5\xfd\xb38\xb4\x9e\xc6\xadu\x93\xf8\xbeU\xc4 \xb0\x03\x00\xcd\x96]\xf3y\x0e(\xe2\\\x12\xac\xe8\x88\xf8;\xd3\x9d\x00\xad\xe9B[\xd3\v\xd0\x7f\xd5\xb9\xff\xf2)\x8b\\\x06\xe2\xef\'\x9c\xe8.\xa5\xce\xfc'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '', 0xee00}}, {@subj_role={'subj_role', 0x3d, '\xd0\x17G\x1d\xf1\xe0\x8695\x1f\a\xc1s\xa1\xe4\xa5\xfd\xb38\xb4\x9e\xc6\xadu\x93\xf8\xbeU\xc4 \xb0\x03\x00\xcd\x96]\xf3y\x0e(\xe2\\\x12\xac\xe8\x88\xf8;\xd3\x9d\x00\xad\xe9B[\xd3\v\xd0\x7f\xd5\xb9\xff\xf2)\x8b\\\x06\xe2\xef\'\x9c\xe8.\xa5\xce\xfc'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '', 0xee00}}, {@subj_role={'subj_role', 0x3d, '\xd0\x17G\x1d\xf1\xe0\x8695\x1f\a\xc1s\xa1\xe4\xa5\xfd\xb38\xb4\x9e\xc6\xadu\x93\xf8\xbeU\xc4 \xb0\x03\x00\xcd\x96]\xf3y\x0e(\xe2\\\x12\xac\xe8\x88\xf8;\xd3\x9d\x00\xad\xe9B[\xd3\v\xd0\x7f\xd5\xb9\xff\xf2)\x8b\\\x06\xe2\xef\'\x9c\xe8.\xa5\xce\xfc'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '', 0xee00}}, {@subj_role={'subj_role', 0x3d, '\xd0\x17G\x1d\xf1\xe0\x8695\x1f\a\xc1s\xa1\xe4\xa5\xfd\xb38\xb4\x9e\xc6\xadu\x93\xf8\xbeU\xc4 \xb0\x03\x00\xcd\x96]\xf3y\x0e(\xe2\\\x12\xac\xe8\x88\xf8;\xd3\x9d\x00\xad\xe9B[\xd3\v\xd0\x7f\xd5\xb9\xff\xf2)\x8b\\\x06\xe2\xef\'\x9c\xe8.\xa5\xce\xfc'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '', 0xee00}}, {@subj_role={'subj_role', 0x3d, '\xd0\x17G\x1d\xf1\xe0\x8695\x1f\a\xc1s\xa1\xe4\xa5\xfd\xb38\xb4\x9e\xc6\xadu\x93\xf8\xbeU\xc4 \xb0\x03\x00\xcd\x96]\xf3y\x0e(\xe2\\\x12\xac\xe8\x88\xf8;\xd3\x9d\x00\xad\xe9B[\xd3\v\xd0\x7f\xd5\xb9\xff\xf2)\x8b\\\x06\xe2\xef\'\x9c\xe8.\xa5\xce\xfc'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '', 0xee00}}, {@subj_role={'subj_role', 0x3d, '\xd0\x17G\x1d\xf1\xe0\x8695\x1f\a\xc1s\xa1\xe4\xa5\xfd\xb38\xb4\x9e\xc6\xadu\x93\xf8\xbeU\xc4 \xb0\x03\x00\xcd\x96]\xf3y\x0e(\xe2\\\x12\xac\xe8\x88\xf8;\xd3\x9d\x00\xad\xe9B[\xd3\v\xd0\x7f\xd5\xb9\xff\xf2)\x8b\\\x06\xe2\xef\'\x9c\xe8.\xa5\xce\xfc'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '', 0xee00}}, {@subj_role={'subj_role', 0x3d, '\xd0\x17G\x1d\xf1\xe0\x8695\x1f\a\xc1s\xa1\xe4\xa5\xfd\xb38\xb4\x9e\xc6\xadu\x93\xf8\xbeU\xc4 \xb0\x03\x00\xcd\x96]\xf3y\x0e(\xe2\\\x12\xac\xe8\x88\xf8;\xd3\x9d\x00\xad\xe9B[\xd3\v\xd0\x7f\xd5\xb9\xff\xf2)\x8b\\\x06\xe2\xef\'\x9c\xe8.\xa5\xce\xfc'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '', 0xee00}}, {@subj_role={'subj_role', 0x3d, '\xd0\x17G\x1d\xf1\xe0\x8695\x1f\a\xc1s\xa1\xe4\xa5\xfd\xb38\xb4\x9e\xc6\xadu\x93\xf8\xbeU\xc4 \xb0\x03\x00\xcd\x96]\xf3y\x0e(\xe2\\\x12\xac\xe8\x88\xf8;\xd3\x9d\x00\xad\xe9B[\xd3\v\xd0\x7f\xd5\xb9\xff\xf2)\x8b\\\x06\xe2\xef\'\x9c\xe8.\xa5\xce\xfc'}}, {@smackfstransmute={'smackfstransmute', 0x3d, '', 0xee00}}, {@subj_role={'subj_role', 0x3d, '\xd0\x17G\x1d\xf1\xe0\x8695\x1f\a\xc1s\xa1\xe4\xa5\xfd\xb38\xb4\x9e\xc6\xadu\x93\xf8\xbeU\xc4 \xb0\x03\x00\xcd\x96]\xf3y\x0e(\xe2\\\x12\xac\xe8\x88\xf8;\xd3\x9d\x00\xad\xe9B[\xd3\v\xd0\x7f\xd5\xb9\xff\xf2)\x8b\\\x06\xe2\xef\'\x9c\xe8.\xa5\xce\xfc'}}, {@smackfstransmute={'smackfstransmute', 0x3d, 'root, returned 1 ------------[ cut here ]------------ kernel BUG at fs/super.c:1810! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5200 Comm: syz-executor203 Not tainted 6.11.0-syzkaller-09959-gabf2050f51fd #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:vfs_get_tree+0x29f/0x2b0 fs/super.c:1810 Code: 1e 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 14 c4 ec ff 48 8b 33 48 c7 c7 20 d4 18 8c 44 89 e2 e8 22 b3 ae 09 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 RSP: 0018:ffffc9000b457d08 EFLAGS: 00010246 RAX: 000000000000003e RBX: ffffffff8ef58520 RCX: 12995cb9c2040600 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff11008249016 R08: ffffffff81746c8c R09: 1ffff11003f8519a R10: dffffc0000000000 R11: ffffed1003f8519b R12: 0000000000000001 R13: dffffc0000000000 R14: ffff888041248098 R15: ffff8880412480b0 FS: 0000555567b69480(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555567b72918 CR3: 000000004ebe6000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4055 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff4a950680a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdb635bea8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffdb635bec0 RCX: 00007ff4a950680a RDX: 0000000020005d80 RSI: 0000000020005dc0 RDI: 00007ffdb635bec0 RBP: 0000000000000004 R08: 00007ffdb635bf00 R09: 0000000000005dc5 R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000 R13: 00007ffdb635bf00 R14: 0000000000000003 R15: 0000000001000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:vfs_get_tree+0x29f/0x2b0 fs/super.c:1810 Code: 1e 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 14 c4 ec ff 48 8b 33 48 c7 c7 20 d4 18 8c 44 89 e2 e8 22 b3 ae 09 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 RSP: 0018:ffffc9000b457d08 EFLAGS: 00010246 RAX: 000000000000003e RBX: ffffffff8ef58520 RCX: 12995cb9c2040600 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff11008249016 R08: ffffffff81746c8c R09: 1ffff11003f8519a R10: dffffc0000000000 R11: ffffed1003f8519b R12: 0000000000000001 R13: dffffc0000000000 R14: ffff888041248098 R15: ffff8880412480b0 FS: 0000555567b69480(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff4a1141000 CR3: 000000004ebe6000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 final repro crashed as (corrupted=false): bcachefs: bch2_fs_get_tree() error: EPERM Filesystem bcachefs get_tree() didn't set fc->root, returned 1 ------------[ cut here ]------------ kernel BUG at fs/super.c:1810! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN NOPTI CPU: 0 UID: 0 PID: 5200 Comm: syz-executor203 Not tainted 6.11.0-syzkaller-09959-gabf2050f51fd #0 Hardware name: QEMU Standard PC (Q35 + ICH9, 2009), BIOS 1.16.3-debian-1.16.3-2~bpo12+1 04/01/2014 RIP: 0010:vfs_get_tree+0x29f/0x2b0 fs/super.c:1810 Code: 1e 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 14 c4 ec ff 48 8b 33 48 c7 c7 20 d4 18 8c 44 89 e2 e8 22 b3 ae 09 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 RSP: 0018:ffffc9000b457d08 EFLAGS: 00010246 RAX: 000000000000003e RBX: ffffffff8ef58520 RCX: 12995cb9c2040600 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff11008249016 R08: ffffffff81746c8c R09: 1ffff11003f8519a R10: dffffc0000000000 R11: ffffed1003f8519b R12: 0000000000000001 R13: dffffc0000000000 R14: ffff888041248098 R15: ffff8880412480b0 FS: 0000555567b69480(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 0000555567b72918 CR3: 000000004ebe6000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 Call Trace: do_new_mount+0x2be/0xb40 fs/namespace.c:3507 do_mount fs/namespace.c:3847 [inline] __do_sys_mount fs/namespace.c:4055 [inline] __se_sys_mount+0x2d6/0x3c0 fs/namespace.c:4032 do_syscall_x64 arch/x86/entry/common.c:52 [inline] do_syscall_64+0xf3/0x230 arch/x86/entry/common.c:83 entry_SYSCALL_64_after_hwframe+0x77/0x7f RIP: 0033:0x7ff4a950680a Code: d8 64 89 02 48 c7 c0 ff ff ff ff eb a6 e8 7e 09 00 00 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 b0 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007ffdb635bea8 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 RAX: ffffffffffffffda RBX: 00007ffdb635bec0 RCX: 00007ff4a950680a RDX: 0000000020005d80 RSI: 0000000020005dc0 RDI: 00007ffdb635bec0 RBP: 0000000000000004 R08: 00007ffdb635bf00 R09: 0000000000005dc5 R10: 0000000000000000 R11: 0000000000000282 R12: 0000000000000000 R13: 00007ffdb635bf00 R14: 0000000000000003 R15: 0000000001000000 Modules linked in: ---[ end trace 0000000000000000 ]--- RIP: 0010:vfs_get_tree+0x29f/0x2b0 fs/super.c:1810 Code: 1e 48 89 d8 48 c1 e8 03 42 80 3c 28 00 74 08 48 89 df e8 14 c4 ec ff 48 8b 33 48 c7 c7 20 d4 18 8c 44 89 e2 e8 22 b3 ae 09 90 <0f> 0b 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 90 90 90 90 90 RSP: 0018:ffffc9000b457d08 EFLAGS: 00010246 RAX: 000000000000003e RBX: ffffffff8ef58520 RCX: 12995cb9c2040600 RDX: 0000000000000000 RSI: 0000000080000000 RDI: 0000000000000000 RBP: 1ffff11008249016 R08: ffffffff81746c8c R09: 1ffff11003f8519a R10: dffffc0000000000 R11: ffffed1003f8519b R12: 0000000000000001 R13: dffffc0000000000 R14: ffff888041248098 R15: ffff8880412480b0 FS: 0000555567b69480(0000) GS:ffff88801fc00000(0000) knlGS:0000000000000000 CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 CR2: 00007ff4a1141000 CR3: 000000004ebe6000 CR4: 0000000000350ef0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400